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Finding the Fourth Proportional to 83,048.68, 114,605.58 and 45,323.20

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Solution

The fourth proportional to 83,048.68, 114,605.58 and 45,323.20 is: 62,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,048.68 : 114,605.58 = 45,323.20 : x
  2. Step 2: Convert to fraction form
    83,048.68/114,605.58 = 45,323.20/x
  3. Step 3: Cross multiply
    83,048.68x = 114,605.58 × 45,323.20
  4. Step 4: Simplify right side
    83,048.68x = 5,194,291,623.46
  5. Step 5: Solve for x
    x = 5,194,291,623.46/83,048.68
  6. Step 6: Final answer
    x = 62,545.14

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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.