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Finding the Fourth Proportional to 83,127.50, 114,715.95 and 45,401.84

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Solution

The fourth proportional to 83,127.50, 114,715.95 and 45,401.84 is: 62,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,127.50 : 114,715.95 = 45,401.84 : x
  2. Step 2: Convert to fraction form
    83,127.50/114,715.95 = 45,401.84/x
  3. Step 3: Cross multiply
    83,127.50x = 114,715.95 × 45,401.84
  4. Step 4: Simplify right side
    83,127.50x = 5,208,315,207.35
  5. Step 5: Solve for x
    x = 5,208,315,207.35/83,127.50
  6. Step 6: Final answer
    x = 62,654.54

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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.