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Finding the Fourth Proportional to 103,487.51, 155,101.42 and 44,253.53

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Solution

The fourth proportional to 103,487.51, 155,101.42 and 44,253.53 is: 66,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,487.51 : 155,101.42 = 44,253.53 : x
  2. Step 2: Convert to fraction form
    103,487.51/155,101.42 = 44,253.53/x
  3. Step 3: Cross multiply
    103,487.51x = 155,101.42 × 44,253.53
  4. Step 4: Simplify right side
    103,487.51x = 6,863,785,121.74
  5. Step 5: Solve for x
    x = 6,863,785,121.74/103,487.51
  6. Step 6: Final answer
    x = 66,324.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.