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Finding the Fourth Proportional to 176,591.21, 265,053.29 and 64,379.88

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Solution

The fourth proportional to 176,591.21, 265,053.29 and 64,379.88 is: 96,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,591.21 : 265,053.29 = 64,379.88 : x
  2. Step 2: Convert to fraction form
    176,591.21/265,053.29 = 64,379.88/x
  3. Step 3: Cross multiply
    176,591.21x = 265,053.29 × 64,379.88
  4. Step 4: Simplify right side
    176,591.21x = 17,064,098,681.91
  5. Step 5: Solve for x
    x = 17,064,098,681.91/176,591.21
  6. Step 6: Final answer
    x = 96,630.51

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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.