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Finding the Fourth Proportional to 83,223.95, 114,849.03 and 45,498.20

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Solution

The fourth proportional to 83,223.95, 114,849.03 and 45,498.20 is: 62,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,223.95 : 114,849.03 = 45,498.20 : x
  2. Step 2: Convert to fraction form
    83,223.95/114,849.03 = 45,498.20/x
  3. Step 3: Cross multiply
    83,223.95x = 114,849.03 × 45,498.20
  4. Step 4: Simplify right side
    83,223.95x = 5,225,423,562.50
  5. Step 5: Solve for x
    x = 5,225,423,562.50/83,223.95
  6. Step 6: Final answer
    x = 62,787.50

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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.