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Finding the Fourth Proportional to 187,219.70, 280,829.55 and 93,713.30

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Solution

The fourth proportional to 187,219.70, 280,829.55 and 93,713.30 is: 140,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,219.70 : 280,829.55 = 93,713.30 : x
  2. Step 2: Convert to fraction form
    187,219.70/280,829.55 = 93,713.30/x
  3. Step 3: Cross multiply
    187,219.70x = 280,829.55 × 93,713.30
  4. Step 4: Simplify right side
    187,219.70x = 26,317,463,868.02
  5. Step 5: Solve for x
    x = 26,317,463,868.02/187,219.70
  6. Step 6: Final answer
    x = 140,569.95

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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.