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Finding the Fourth Proportional to 88,193.40, 121,703.40 and 52,382.46

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Solution

The fourth proportional to 88,193.40, 121,703.40 and 52,382.46 is: 72,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,193.40 : 121,703.40 = 52,382.46 : x
  2. Step 2: Convert to fraction form
    88,193.40/121,703.40 = 52,382.46/x
  3. Step 3: Cross multiply
    88,193.40x = 121,703.40 × 52,382.46
  4. Step 4: Simplify right side
    88,193.40x = 6,375,123,482.36
  5. Step 5: Solve for x
    x = 6,375,123,482.36/88,193.40
  6. Step 6: Final answer
    x = 72,285.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.