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Finding the Fourth Proportional to 98,625.80, 147,938.70 and 32,068.10

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Solution

The fourth proportional to 98,625.80, 147,938.70 and 32,068.10 is: 48,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,625.80 : 147,938.70 = 32,068.10 : x
  2. Step 2: Convert to fraction form
    98,625.80/147,938.70 = 32,068.10/x
  3. Step 3: Cross multiply
    98,625.80x = 147,938.70 × 32,068.10
  4. Step 4: Simplify right side
    98,625.80x = 4,744,113,025.47
  5. Step 5: Solve for x
    x = 4,744,113,025.47/98,625.80
  6. Step 6: Final answer
    x = 48,102.15

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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.