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Finding the Fourth Proportional to 94,134, 129,934.08 and 60,600

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Solution

The fourth proportional to 94,134, 129,934.08 and 60,600 is: 83,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,134 : 129,934.08 = 60,600 : x
  2. Step 2: Convert to fraction form
    94,134/129,934.08 = 60,600/x
  3. Step 3: Cross multiply
    94,134x = 129,934.08 × 60,600
  4. Step 4: Simplify right side
    94,134x = 7,874,005,248
  5. Step 5: Solve for x
    x = 7,874,005,248/94,134
  6. Step 6: Final answer
    x = 83,646.77

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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.