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Finding the Fourth Proportional to 242,572.08, 363,928.32 and 100,391.11

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Solution

The fourth proportional to 242,572.08, 363,928.32 and 100,391.11 is: 150,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,572.08 : 363,928.32 = 100,391.11 : x
  2. Step 2: Convert to fraction form
    242,572.08/363,928.32 = 100,391.11/x
  3. Step 3: Cross multiply
    242,572.08x = 363,928.32 × 100,391.11
  4. Step 4: Simplify right side
    242,572.08x = 36,535,168,005.24
  5. Step 5: Solve for x
    x = 36,535,168,005.24/242,572.08
  6. Step 6: Final answer
    x = 150,615.72

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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.