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Finding the Fourth Proportional to 176,434,689.60, 264,652,034.40 and 127,683,835.20

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Solution

The fourth proportional to 176,434,689.60, 264,652,034.40 and 127,683,835.20 is: 191,525,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,434,689.60 : 264,652,034.40 = 127,683,835.20 : x
  2. Step 2: Convert to fraction form
    176,434,689.60/264,652,034.40 = 127,683,835.20/x
  3. Step 3: Cross multiply
    176,434,689.60x = 264,652,034.40 × 127,683,835.20
  4. Step 4: Simplify right side
    176,434,689.60x = 33,791,786,745,674,332
  5. Step 5: Solve for x
    x = 33,791,786,745,674,332/176,434,689.60
  6. Step 6: Final answer
    x = 191,525,752.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.