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Finding the Fourth Proportional to 64,747,647.60, 97,121,471.40 and 50,292,452.40

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Solution

The fourth proportional to 64,747,647.60, 97,121,471.40 and 50,292,452.40 is: 75,438,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747,647.60 : 97,121,471.40 = 50,292,452.40 : x
  2. Step 2: Convert to fraction form
    64,747,647.60/97,121,471.40 = 50,292,452.40/x
  3. Step 3: Cross multiply
    64,747,647.60x = 97,121,471.40 × 50,292,452.40
  4. Step 4: Simplify right side
    64,747,647.60x = 4,884,476,977,402,462
  5. Step 5: Solve for x
    x = 4,884,476,977,402,462/64,747,647.60
  6. Step 6: Final answer
    x = 75,438,678.60

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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.