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Finding the Fourth Proportional to 242,603.60, 363,905.40 and 147,736.40

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Solution

The fourth proportional to 242,603.60, 363,905.40 and 147,736.40 is: 221,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,603.60 : 363,905.40 = 147,736.40 : x
  2. Step 2: Convert to fraction form
    242,603.60/363,905.40 = 147,736.40/x
  3. Step 3: Cross multiply
    242,603.60x = 363,905.40 × 147,736.40
  4. Step 4: Simplify right side
    242,603.60x = 53,762,073,736.56
  5. Step 5: Solve for x
    x = 53,762,073,736.56/242,603.60
  6. Step 6: Final answer
    x = 221,604.60

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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.