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Finding the Fourth Proportional to 64,624,593.60, 96,984,129.60 and 45,492,717.60

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Solution

The fourth proportional to 64,624,593.60, 96,984,129.60 and 45,492,717.60 is: 68,272,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,624,593.60 : 96,984,129.60 = 45,492,717.60 : x
  2. Step 2: Convert to fraction form
    64,624,593.60/96,984,129.60 = 45,492,717.60/x
  3. Step 3: Cross multiply
    64,624,593.60x = 96,984,129.60 × 45,492,717.60
  4. Step 4: Simplify right side
    64,624,593.60x = 4,412,071,619,574,601
  5. Step 5: Solve for x
    x = 4,412,071,619,574,601/64,624,593.60
  6. Step 6: Final answer
    x = 68,272,330.61

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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.