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Finding the Fourth Proportional to 74,756,423.60, 112,134,635.40 and 74,756,423.60

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Solution

The fourth proportional to 74,756,423.60, 112,134,635.40 and 74,756,423.60 is: 112,134,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,756,423.60 : 112,134,635.40 = 74,756,423.60 : x
  2. Step 2: Convert to fraction form
    74,756,423.60/112,134,635.40 = 74,756,423.60/x
  3. Step 3: Cross multiply
    74,756,423.60x = 112,134,635.40 × 74,756,423.60
  4. Step 4: Simplify right side
    74,756,423.60x = 8,382,784,304,193,955
  5. Step 5: Solve for x
    x = 8,382,784,304,193,955/74,756,423.60
  6. Step 6: Final answer
    x = 112,134,635.40

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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.