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Finding the Fourth Proportional to 83,225.88, 114,859.62 and 45,505.80

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Solution

The fourth proportional to 83,225.88, 114,859.62 and 45,505.80 is: 62,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,225.88 : 114,859.62 = 45,505.80 : x
  2. Step 2: Convert to fraction form
    83,225.88/114,859.62 = 45,505.80/x
  3. Step 3: Cross multiply
    83,225.88x = 114,859.62 × 45,505.80
  4. Step 4: Simplify right side
    83,225.88x = 5,226,778,895.80
  5. Step 5: Solve for x
    x = 5,226,778,895.80/83,225.88
  6. Step 6: Final answer
    x = 62,802.33

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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.