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Finding the Fourth Proportional to 59,376.40, 89,064.60 and 53,155.60

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Solution

The fourth proportional to 59,376.40, 89,064.60 and 53,155.60 is: 79,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,376.40 : 89,064.60 = 53,155.60 : x
  2. Step 2: Convert to fraction form
    59,376.40/89,064.60 = 53,155.60/x
  3. Step 3: Cross multiply
    59,376.40x = 89,064.60 × 53,155.60
  4. Step 4: Simplify right side
    59,376.40x = 4,734,282,251.76
  5. Step 5: Solve for x
    x = 4,734,282,251.76/59,376.40
  6. Step 6: Final answer
    x = 79,733.40

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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.