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Finding the Fourth Proportional to 94,592.55, 130,402.09 and 74,414.40

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Solution

The fourth proportional to 94,592.55, 130,402.09 and 74,414.40 is: 102,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,592.55 : 130,402.09 = 74,414.40 : x
  2. Step 2: Convert to fraction form
    94,592.55/130,402.09 = 74,414.40/x
  3. Step 3: Cross multiply
    94,592.55x = 130,402.09 × 74,414.40
  4. Step 4: Simplify right side
    94,592.55x = 9,703,793,623.62
  5. Step 5: Solve for x
    x = 9,703,793,623.62/94,592.55
  6. Step 6: Final answer
    x = 102,585.17

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1.5x scale

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.