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Finding the Fourth Proportional to 83,239.90, 114,870.89 and 44,999.46

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Solution

The fourth proportional to 83,239.90, 114,870.89 and 44,999.46 is: 62,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,239.90 : 114,870.89 = 44,999.46 : x
  2. Step 2: Convert to fraction form
    83,239.90/114,870.89 = 44,999.46/x
  3. Step 3: Cross multiply
    83,239.90x = 114,870.89 × 44,999.46
  4. Step 4: Simplify right side
    83,239.90x = 5,169,128,132.22
  5. Step 5: Solve for x
    x = 5,169,128,132.22/83,239.90
  6. Step 6: Final answer
    x = 62,099.17

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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.