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Finding the Fourth Proportional to 59,784,752.80, 89,677,129.20 and 45,329,557.60

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Solution

The fourth proportional to 59,784,752.80, 89,677,129.20 and 45,329,557.60 is: 67,994,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,752.80 : 89,677,129.20 = 45,329,557.60 : x
  2. Step 2: Convert to fraction form
    59,784,752.80/89,677,129.20 = 45,329,557.60/x
  3. Step 3: Cross multiply
    59,784,752.80x = 89,677,129.20 × 45,329,557.60
  4. Step 4: Simplify right side
    59,784,752.80x = 4,065,024,593,474,042
  5. Step 5: Solve for x
    x = 4,065,024,593,474,042/59,784,752.80
  6. Step 6: Final answer
    x = 67,994,336.40

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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.