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Finding the Fourth Proportional to 83,195.40, 124,533.90 and 59,867.40

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Solution

The fourth proportional to 83,195.40, 124,533.90 and 59,867.40 is: 89,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,195.40 : 124,533.90 = 59,867.40 : x
  2. Step 2: Convert to fraction form
    83,195.40/124,533.90 = 59,867.40/x
  3. Step 3: Cross multiply
    83,195.40x = 124,533.90 × 59,867.40
  4. Step 4: Simplify right side
    83,195.40x = 7,455,520,804.86
  5. Step 5: Solve for x
    x = 7,455,520,804.86/83,195.40
  6. Step 6: Final answer
    x = 89,614.58

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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.