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Finding the Fourth Proportional to 191,792, 287,677.56 and 58,672.26

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Solution

The fourth proportional to 191,792, 287,677.56 and 58,672.26 is: 88,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,792 : 287,677.56 = 58,672.26 : x
  2. Step 2: Convert to fraction form
    191,792/287,677.56 = 58,672.26/x
  3. Step 3: Cross multiply
    191,792x = 287,677.56 × 58,672.26
  4. Step 4: Simplify right side
    191,792x = 16,878,691,877.29
  5. Step 5: Solve for x
    x = 16,878,691,877.29/191,792
  6. Step 6: Final answer
    x = 88,005.19

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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.