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Finding the Fourth Proportional to 176,030.40, 264,043.20 and 57,705.60

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Solution

The fourth proportional to 176,030.40, 264,043.20 and 57,705.60 is: 86,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,030.40 : 264,043.20 = 57,705.60 : x
  2. Step 2: Convert to fraction form
    176,030.40/264,043.20 = 57,705.60/x
  3. Step 3: Cross multiply
    176,030.40x = 264,043.20 × 57,705.60
  4. Step 4: Simplify right side
    176,030.40x = 15,236,771,281.92
  5. Step 5: Solve for x
    x = 15,236,771,281.92/176,030.40
  6. Step 6: Final answer
    x = 86,557.61

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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.