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Finding the Fourth Proportional to 88,367.40, 132,332.40 and 56,728.80

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Solution

The fourth proportional to 88,367.40, 132,332.40 and 56,728.80 is: 84,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,367.40 : 132,332.40 = 56,728.80 : x
  2. Step 2: Convert to fraction form
    88,367.40/132,332.40 = 56,728.80/x
  3. Step 3: Cross multiply
    88,367.40x = 132,332.40 × 56,728.80
  4. Step 4: Simplify right side
    88,367.40x = 7,507,058,253.12
  5. Step 5: Solve for x
    x = 7,507,058,253.12/88,367.40
  6. Step 6: Final answer
    x = 84,952.80

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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.