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Finding the Fourth Proportional to 98,103.70, 147,155.55 and 24,231.70

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Solution

The fourth proportional to 98,103.70, 147,155.55 and 24,231.70 is: 36,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,103.70 : 147,155.55 = 24,231.70 : x
  2. Step 2: Convert to fraction form
    98,103.70/147,155.55 = 24,231.70/x
  3. Step 3: Cross multiply
    98,103.70x = 147,155.55 × 24,231.70
  4. Step 4: Simplify right side
    98,103.70x = 3,565,829,140.94
  5. Step 5: Solve for x
    x = 3,565,829,140.94/98,103.70
  6. Step 6: Final answer
    x = 36,347.55

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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.