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Finding the Fourth Proportional to 98,572.41, 147,870.90 and 38,593.14

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Solution

The fourth proportional to 98,572.41, 147,870.90 and 38,593.14 is: 57,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,572.41 : 147,870.90 = 38,593.14 : x
  2. Step 2: Convert to fraction form
    98,572.41/147,870.90 = 38,593.14/x
  3. Step 3: Cross multiply
    98,572.41x = 147,870.90 × 38,593.14
  4. Step 4: Simplify right side
    98,572.41x = 5,706,802,345.63
  5. Step 5: Solve for x
    x = 5,706,802,345.63/98,572.41
  6. Step 6: Final answer
    x = 57,894.52

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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.