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Finding the Fourth Proportional to 247,250.40, 370,713.60 and 97,400.40

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Solution

The fourth proportional to 247,250.40, 370,713.60 and 97,400.40 is: 146,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,250.40 : 370,713.60 = 97,400.40 : x
  2. Step 2: Convert to fraction form
    247,250.40/370,713.60 = 97,400.40/x
  3. Step 3: Cross multiply
    247,250.40x = 370,713.60 × 97,400.40
  4. Step 4: Simplify right side
    247,250.40x = 36,107,652,925.44
  5. Step 5: Solve for x
    x = 36,107,652,925.44/247,250.40
  6. Step 6: Final answer
    x = 146,036.78

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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.