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Finding the Fourth Proportional to 59,307.20, 88,960.80 and 56,747.60

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Solution

The fourth proportional to 59,307.20, 88,960.80 and 56,747.60 is: 85,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,307.20 : 88,960.80 = 56,747.60 : x
  2. Step 2: Convert to fraction form
    59,307.20/88,960.80 = 56,747.60/x
  3. Step 3: Cross multiply
    59,307.20x = 88,960.80 × 56,747.60
  4. Step 4: Simplify right side
    59,307.20x = 5,048,311,894.08
  5. Step 5: Solve for x
    x = 5,048,311,894.08/59,307.20
  6. Step 6: Final answer
    x = 85,121.40

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1.5x scale

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.