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Finding the Fourth Proportional to 40,502,041.60, 60,753,062.40 and 10,209,904.60

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Solution

The fourth proportional to 40,502,041.60, 60,753,062.40 and 10,209,904.60 is: 15,314,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502,041.60 : 60,753,062.40 = 10,209,904.60 : x
  2. Step 2: Convert to fraction form
    40,502,041.60/60,753,062.40 = 10,209,904.60/x
  3. Step 3: Cross multiply
    40,502,041.60x = 60,753,062.40 × 10,209,904.60
  4. Step 4: Simplify right side
    40,502,041.60x = 620,282,971,261,847
  5. Step 5: Solve for x
    x = 620,282,971,261,847/40,502,041.60
  6. Step 6: Final answer
    x = 15,314,856.90

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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.