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Finding the Fourth Proportional to 88,302.60, 132,453.90 and 83,809.80

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Solution

The fourth proportional to 88,302.60, 132,453.90 and 83,809.80 is: 125,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,302.60 : 132,453.90 = 83,809.80 : x
  2. Step 2: Convert to fraction form
    88,302.60/132,453.90 = 83,809.80/x
  3. Step 3: Cross multiply
    88,302.60x = 132,453.90 × 83,809.80
  4. Step 4: Simplify right side
    88,302.60x = 11,100,934,868.22
  5. Step 5: Solve for x
    x = 11,100,934,868.22/88,302.60
  6. Step 6: Final answer
    x = 125,714.70

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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.