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Finding the Fourth Proportional to 64,754,662.60, 97,006,022.70 and 39,119,523.40

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Solution

The fourth proportional to 64,754,662.60, 97,006,022.70 and 39,119,523.40 is: 58,603,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,754,662.60 : 97,006,022.70 = 39,119,523.40 : x
  2. Step 2: Convert to fraction form
    64,754,662.60/97,006,022.70 = 39,119,523.40/x
  3. Step 3: Cross multiply
    64,754,662.60x = 97,006,022.70 × 39,119,523.40
  4. Step 4: Simplify right side
    64,754,662.60x = 3,794,829,374,953,581
  5. Step 5: Solve for x
    x = 3,794,829,374,953,581/64,754,662.60
  6. Step 6: Final answer
    x = 58,603,183.50

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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.