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Finding the Fourth Proportional to 94,156.62, 129,971.52 and 62,368.62

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Solution

The fourth proportional to 94,156.62, 129,971.52 and 62,368.62 is: 86,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,156.62 : 129,971.52 = 62,368.62 : x
  2. Step 2: Convert to fraction form
    94,156.62/129,971.52 = 62,368.62/x
  3. Step 3: Cross multiply
    94,156.62x = 129,971.52 × 62,368.62
  4. Step 4: Simplify right side
    94,156.62x = 8,106,144,341.70
  5. Step 5: Solve for x
    x = 8,106,144,341.70/94,156.62
  6. Step 6: Final answer
    x = 86,092.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.