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Finding the Fourth Proportional to 88,307.80, 132,416.10 and 25,970.20

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Solution

The fourth proportional to 88,307.80, 132,416.10 and 25,970.20 is: 38,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,307.80 : 132,416.10 = 25,970.20 : x
  2. Step 2: Convert to fraction form
    88,307.80/132,416.10 = 25,970.20/x
  3. Step 3: Cross multiply
    88,307.80x = 132,416.10 × 25,970.20
  4. Step 4: Simplify right side
    88,307.80x = 3,438,872,600.22
  5. Step 5: Solve for x
    x = 3,438,872,600.22/88,307.80
  6. Step 6: Final answer
    x = 38,941.89

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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.