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Finding the Fourth Proportional to 79,545.60, 119,577.60 and 56,332.80

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Solution

The fourth proportional to 79,545.60, 119,577.60 and 56,332.80 is: 84,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,545.60 : 119,577.60 = 56,332.80 : x
  2. Step 2: Convert to fraction form
    79,545.60/119,577.60 = 56,332.80/x
  3. Step 3: Cross multiply
    79,545.60x = 119,577.60 × 56,332.80
  4. Step 4: Simplify right side
    79,545.60x = 6,736,141,025.28
  5. Step 5: Solve for x
    x = 6,736,141,025.28/79,545.60
  6. Step 6: Final answer
    x = 84,682.76

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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.