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Finding the Fourth Proportional to 50,342,425.10, 70,670,713.90 and 50,342,425.10

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Solution

The fourth proportional to 50,342,425.10, 70,670,713.90 and 50,342,425.10 is: 70,670,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,342,425.10 : 70,670,713.90 = 50,342,425.10 : x
  2. Step 2: Convert to fraction form
    50,342,425.10/70,670,713.90 = 50,342,425.10/x
  3. Step 3: Cross multiply
    50,342,425.10x = 70,670,713.90 × 50,342,425.10
  4. Step 4: Simplify right side
    50,342,425.10x = 3,557,735,121,274,279.50
  5. Step 5: Solve for x
    x = 3,557,735,121,274,279.50/50,342,425.10
  6. Step 6: Final answer
    x = 70,670,713.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.