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Finding the Fourth Proportional to 88,514.40, 124,231.20 and 88,514.40

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Solution

The fourth proportional to 88,514.40, 124,231.20 and 88,514.40 is: 124,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,514.40 : 124,231.20 = 88,514.40 : x
  2. Step 2: Convert to fraction form
    88,514.40/124,231.20 = 88,514.40/x
  3. Step 3: Cross multiply
    88,514.40x = 124,231.20 × 88,514.40
  4. Step 4: Simplify right side
    88,514.40x = 10,996,250,129.28
  5. Step 5: Solve for x
    x = 10,996,250,129.28/88,514.40
  6. Step 6: Final answer
    x = 124,231.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.