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Finding the Fourth Proportional to 59,391,841.60, 89,016,903.60 and 53,297,984.80

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Solution

The fourth proportional to 59,391,841.60, 89,016,903.60 and 53,297,984.80 is: 79,883,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,391,841.60 : 89,016,903.60 = 53,297,984.80 : x
  2. Step 2: Convert to fraction form
    59,391,841.60/89,016,903.60 = 53,297,984.80/x
  3. Step 3: Cross multiply
    59,391,841.60x = 89,016,903.60 × 53,297,984.80
  4. Step 4: Simplify right side
    59,391,841.60x = 4,744,421,575,015,865
  5. Step 5: Solve for x
    x = 4,744,421,575,015,865/59,391,841.60
  6. Step 6: Final answer
    x = 79,883,388.82

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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.