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Finding the Fourth Proportional to 64,668,834.40, 97,003,251.60 and 60,842,459.20

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Solution

The fourth proportional to 64,668,834.40, 97,003,251.60 and 60,842,459.20 is: 91,263,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,668,834.40 : 97,003,251.60 = 60,842,459.20 : x
  2. Step 2: Convert to fraction form
    64,668,834.40/97,003,251.60 = 60,842,459.20/x
  3. Step 3: Cross multiply
    64,668,834.40x = 97,003,251.60 × 60,842,459.20
  4. Step 4: Simplify right side
    64,668,834.40x = 5,901,916,377,740,335
  5. Step 5: Solve for x
    x = 5,901,916,377,740,335/64,668,834.40
  6. Step 6: Final answer
    x = 91,263,688.80

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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.