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Finding the Fourth Proportional to 247,645.10, 371,358.30 and 97,835.60

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Solution

The fourth proportional to 247,645.10, 371,358.30 and 97,835.60 is: 146,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,645.10 : 371,358.30 = 97,835.60 : x
  2. Step 2: Convert to fraction form
    247,645.10/371,358.30 = 97,835.60/x
  3. Step 3: Cross multiply
    247,645.10x = 371,358.30 × 97,835.60
  4. Step 4: Simplify right side
    247,645.10x = 36,332,062,095.48
  5. Step 5: Solve for x
    x = 36,332,062,095.48/247,645.10
  6. Step 6: Final answer
    x = 146,710.20

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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.