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Finding the Fourth Proportional to 191,872.32, 287,809.17 and 58,752.03

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Solution

The fourth proportional to 191,872.32, 287,809.17 and 58,752.03 is: 88,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,872.32 : 287,809.17 = 58,752.03 : x
  2. Step 2: Convert to fraction form
    191,872.32/287,809.17 = 58,752.03/x
  3. Step 3: Cross multiply
    191,872.32x = 287,809.17 × 58,752.03
  4. Step 4: Simplify right side
    191,872.32x = 16,909,372,990.12
  5. Step 5: Solve for x
    x = 16,909,372,990.12/191,872.32
  6. Step 6: Final answer
    x = 88,128.26

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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.