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Finding the Fourth Proportional to 64,747,459.60, 97,121,189.40 and 64,747,459.60

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Solution

The fourth proportional to 64,747,459.60, 97,121,189.40 and 64,747,459.60 is: 97,121,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747,459.60 : 97,121,189.40 = 64,747,459.60 : x
  2. Step 2: Convert to fraction form
    64,747,459.60/97,121,189.40 = 64,747,459.60/x
  3. Step 3: Cross multiply
    64,747,459.60x = 97,121,189.40 × 64,747,459.60
  4. Step 4: Simplify right side
    64,747,459.60x = 6,288,350,286,980,449
  5. Step 5: Solve for x
    x = 6,288,350,286,980,449/64,747,459.60
  6. Step 6: Final answer
    x = 97,121,189.40

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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.