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Finding the Fourth Proportional to 98,187.84, 147,291.28 and 39,010.25

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Solution

The fourth proportional to 98,187.84, 147,291.28 and 39,010.25 is: 58,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,187.84 : 147,291.28 = 39,010.25 : x
  2. Step 2: Convert to fraction form
    98,187.84/147,291.28 = 39,010.25/x
  3. Step 3: Cross multiply
    98,187.84x = 147,291.28 × 39,010.25
  4. Step 4: Simplify right side
    98,187.84x = 5,745,869,926.32
  5. Step 5: Solve for x
    x = 5,745,869,926.32/98,187.84
  6. Step 6: Final answer
    x = 58,519.16

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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.