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Finding the Fourth Proportional to 181,474.34, 272,125.65 and 63,130.91

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Solution

The fourth proportional to 181,474.34, 272,125.65 and 63,130.91 is: 94,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,474.34 : 272,125.65 = 63,130.91 : x
  2. Step 2: Convert to fraction form
    181,474.34/272,125.65 = 63,130.91/x
  3. Step 3: Cross multiply
    181,474.34x = 272,125.65 × 63,130.91
  4. Step 4: Simplify right side
    181,474.34x = 17,179,539,918.84
  5. Step 5: Solve for x
    x = 17,179,539,918.84/181,474.34
  6. Step 6: Final answer
    x = 94,666.50

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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.