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Finding the Fourth Proportional to 107,862.01, 148,860.10 and 80,590.77

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Solution

The fourth proportional to 107,862.01, 148,860.10 and 80,590.77 is: 111,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,862.01 : 148,860.10 = 80,590.77 : x
  2. Step 2: Convert to fraction form
    107,862.01/148,860.10 = 80,590.77/x
  3. Step 3: Cross multiply
    107,862.01x = 148,860.10 × 80,590.77
  4. Step 4: Simplify right side
    107,862.01x = 11,996,750,081.28
  5. Step 5: Solve for x
    x = 11,996,750,081.28/107,862.01
  6. Step 6: Final answer
    x = 111,223.13

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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.