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Finding the Fourth Proportional to 56,784,693.30, 85,177,039.95 and 56,784,693.30

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Solution

The fourth proportional to 56,784,693.30, 85,177,039.95 and 56,784,693.30 is: 85,177,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,784,693.30 : 85,177,039.95 = 56,784,693.30 : x
  2. Step 2: Convert to fraction form
    56,784,693.30/85,177,039.95 = 56,784,693.30/x
  3. Step 3: Cross multiply
    56,784,693.30x = 85,177,039.95 × 56,784,693.30
  4. Step 4: Simplify right side
    56,784,693.30x = 4,836,752,089,762,597
  5. Step 5: Solve for x
    x = 4,836,752,089,762,597/56,784,693.30
  6. Step 6: Final answer
    x = 85,177,039.95

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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.