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Finding the Fourth Proportional to 83,188.40, 124,523.40 and 59,860.40

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Solution

The fourth proportional to 83,188.40, 124,523.40 and 59,860.40 is: 89,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,188.40 : 124,523.40 = 59,860.40 : x
  2. Step 2: Convert to fraction form
    83,188.40/124,523.40 = 59,860.40/x
  3. Step 3: Cross multiply
    83,188.40x = 124,523.40 × 59,860.40
  4. Step 4: Simplify right side
    83,188.40x = 7,454,020,533.36
  5. Step 5: Solve for x
    x = 7,454,020,533.36/83,188.40
  6. Step 6: Final answer
    x = 89,604.09

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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.