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Finding the Fourth Proportional to 161,265.13, 241,948.72 and 72,526.39

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Solution

The fourth proportional to 161,265.13, 241,948.72 and 72,526.39 is: 108,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,265.13 : 241,948.72 = 72,526.39 : x
  2. Step 2: Convert to fraction form
    161,265.13/241,948.72 = 72,526.39/x
  3. Step 3: Cross multiply
    161,265.13x = 241,948.72 × 72,526.39
  4. Step 4: Simplify right side
    161,265.13x = 17,547,667,226.72
  5. Step 5: Solve for x
    x = 17,547,667,226.72/161,265.13
  6. Step 6: Final answer
    x = 108,812.53

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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.