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Finding the Fourth Proportional to 164,420.10, 246,630.15 and 39,761.10

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Solution

The fourth proportional to 164,420.10, 246,630.15 and 39,761.10 is: 59,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,420.10 : 246,630.15 = 39,761.10 : x
  2. Step 2: Convert to fraction form
    164,420.10/246,630.15 = 39,761.10/x
  3. Step 3: Cross multiply
    164,420.10x = 246,630.15 × 39,761.10
  4. Step 4: Simplify right side
    164,420.10x = 9,806,286,057.17
  5. Step 5: Solve for x
    x = 9,806,286,057.17/164,420.10
  6. Step 6: Final answer
    x = 59,641.65

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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.