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Finding the Fourth Proportional to 154,713.21, 232,070.02 and 42,394.43

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Solution

The fourth proportional to 154,713.21, 232,070.02 and 42,394.43 is: 63,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,713.21 : 232,070.02 = 42,394.43 : x
  2. Step 2: Convert to fraction form
    154,713.21/232,070.02 = 42,394.43/x
  3. Step 3: Cross multiply
    154,713.21x = 232,070.02 × 42,394.43
  4. Step 4: Simplify right side
    154,713.21x = 9,838,474,951.65
  5. Step 5: Solve for x
    x = 9,838,474,951.65/154,713.21
  6. Step 6: Final answer
    x = 63,591.69

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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.