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Finding the Fourth Proportional to 64,624,585.60, 96,984,117.60 and 45,492,709.60

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Solution

The fourth proportional to 64,624,585.60, 96,984,117.60 and 45,492,709.60 is: 68,272,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,624,585.60 : 96,984,117.60 = 45,492,709.60 : x
  2. Step 2: Convert to fraction form
    64,624,585.60/96,984,117.60 = 45,492,709.60/x
  3. Step 3: Cross multiply
    64,624,585.60x = 96,984,117.60 × 45,492,709.60
  4. Step 4: Simplify right side
    64,624,585.60x = 4,412,070,297,789,049
  5. Step 5: Solve for x
    x = 4,412,070,297,789,049/64,624,585.60
  6. Step 6: Final answer
    x = 68,272,318.60

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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.