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Finding the Fourth Proportional to 242,292.40, 363,438.60 and 73,812.40

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Solution

The fourth proportional to 242,292.40, 363,438.60 and 73,812.40 is: 110,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,292.40 : 363,438.60 = 73,812.40 : x
  2. Step 2: Convert to fraction form
    242,292.40/363,438.60 = 73,812.40/x
  3. Step 3: Cross multiply
    242,292.40x = 363,438.60 × 73,812.40
  4. Step 4: Simplify right side
    242,292.40x = 26,826,275,318.64
  5. Step 5: Solve for x
    x = 26,826,275,318.64/242,292.40
  6. Step 6: Final answer
    x = 110,718.60

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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.