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Finding the Fourth Proportional to 59,784,816.60, 89,677,224.90 and 16,660,675.80

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Solution

The fourth proportional to 59,784,816.60, 89,677,224.90 and 16,660,675.80 is: 24,991,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,816.60 : 89,677,224.90 = 16,660,675.80 : x
  2. Step 2: Convert to fraction form
    59,784,816.60/89,677,224.90 = 16,660,675.80/x
  3. Step 3: Cross multiply
    59,784,816.60x = 89,677,224.90 × 16,660,675.80
  4. Step 4: Simplify right side
    59,784,816.60x = 1,494,083,170,702,587.50
  5. Step 5: Solve for x
    x = 1,494,083,170,702,587.50/59,784,816.60
  6. Step 6: Final answer
    x = 24,991,013.70

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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.