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Finding the Fourth Proportional to 181,061.56, 249,894.96 and 105,610.04

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Solution

The fourth proportional to 181,061.56, 249,894.96 and 105,610.04 is: 145,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,061.56 : 249,894.96 = 105,610.04 : x
  2. Step 2: Convert to fraction form
    181,061.56/249,894.96 = 105,610.04/x
  3. Step 3: Cross multiply
    181,061.56x = 249,894.96 × 105,610.04
  4. Step 4: Simplify right side
    181,061.56x = 26,391,416,721.40
  5. Step 5: Solve for x
    x = 26,391,416,721.40/181,061.56
  6. Step 6: Final answer
    x = 145,759.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.