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Finding the Fourth Proportional to 242,438.32, 363,712.56 and 73,973.71

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Solution

The fourth proportional to 242,438.32, 363,712.56 and 73,973.71 is: 110,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,438.32 : 363,712.56 = 73,973.71 : x
  2. Step 2: Convert to fraction form
    242,438.32/363,712.56 = 73,973.71/x
  3. Step 3: Cross multiply
    242,438.32x = 363,712.56 × 73,973.71
  4. Step 4: Simplify right side
    242,438.32x = 26,905,167,436.80
  5. Step 5: Solve for x
    x = 26,905,167,436.80/242,438.32
  6. Step 6: Final answer
    x = 110,977.37

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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.