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Finding the Fourth Proportional to 74,444.68, 102,725.04 and 42,611.68

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Solution

The fourth proportional to 74,444.68, 102,725.04 and 42,611.68 is: 58,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.68 : 102,725.04 = 42,611.68 : x
  2. Step 2: Convert to fraction form
    74,444.68/102,725.04 = 42,611.68/x
  3. Step 3: Cross multiply
    74,444.68x = 102,725.04 × 42,611.68
  4. Step 4: Simplify right side
    74,444.68x = 4,377,286,532.47
  5. Step 5: Solve for x
    x = 4,377,286,532.47/74,444.68
  6. Step 6: Final answer
    x = 58,799.19

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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.