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Finding the Fourth Proportional to 98,874, 148,329.63 and 39,714.30

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Solution

The fourth proportional to 98,874, 148,329.63 and 39,714.30 is: 59,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,874 : 148,329.63 = 39,714.30 : x
  2. Step 2: Convert to fraction form
    98,874/148,329.63 = 39,714.30/x
  3. Step 3: Cross multiply
    98,874x = 148,329.63 × 39,714.30
  4. Step 4: Simplify right side
    98,874x = 5,890,807,424.71
  5. Step 5: Solve for x
    x = 5,890,807,424.71/98,874
  6. Step 6: Final answer
    x = 59,578.93

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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.