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Finding the Fourth Proportional to 247,627.60, 371,332.05 and 97,818.10

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Solution

The fourth proportional to 247,627.60, 371,332.05 and 97,818.10 is: 146,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,627.60 : 371,332.05 = 97,818.10 : x
  2. Step 2: Convert to fraction form
    247,627.60/371,332.05 = 97,818.10/x
  3. Step 3: Cross multiply
    247,627.60x = 371,332.05 × 97,818.10
  4. Step 4: Simplify right side
    247,627.60x = 36,322,995,600.11
  5. Step 5: Solve for x
    x = 36,322,995,600.11/247,627.60
  6. Step 6: Final answer
    x = 146,683.95

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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.