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Finding the Fourth Proportional to 63,601,451.20, 89,243,585.60 and 63,601,451.20

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Solution

The fourth proportional to 63,601,451.20, 89,243,585.60 and 63,601,451.20 is: 89,243,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,601,451.20 : 89,243,585.60 = 63,601,451.20 : x
  2. Step 2: Convert to fraction form
    63,601,451.20/89,243,585.60 = 63,601,451.20/x
  3. Step 3: Cross multiply
    63,601,451.20x = 89,243,585.60 × 63,601,451.20
  4. Step 4: Simplify right side
    63,601,451.20x = 5,676,021,554,451,423
  5. Step 5: Solve for x
    x = 5,676,021,554,451,423/63,601,451.20
  6. Step 6: Final answer
    x = 89,243,585.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.