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Finding the Fourth Proportional to 107,967.59, 148,994.88 and 60,220.90

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Solution

The fourth proportional to 107,967.59, 148,994.88 and 60,220.90 is: 83,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,967.59 : 148,994.88 = 60,220.90 : x
  2. Step 2: Convert to fraction form
    107,967.59/148,994.88 = 60,220.90/x
  3. Step 3: Cross multiply
    107,967.59x = 148,994.88 × 60,220.90
  4. Step 4: Simplify right side
    107,967.59x = 8,972,605,024.02
  5. Step 5: Solve for x
    x = 8,972,605,024.02/107,967.59
  6. Step 6: Final answer
    x = 83,104.62

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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.