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Finding the Fourth Proportional to 108,515.40, 162,801.45 and 41,957.70

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Solution

The fourth proportional to 108,515.40, 162,801.45 and 41,957.70 is: 62,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,515.40 : 162,801.45 = 41,957.70 : x
  2. Step 2: Convert to fraction form
    108,515.40/162,801.45 = 41,957.70/x
  3. Step 3: Cross multiply
    108,515.40x = 162,801.45 × 41,957.70
  4. Step 4: Simplify right side
    108,515.40x = 6,830,774,398.67
  5. Step 5: Solve for x
    x = 6,830,774,398.67/108,515.40
  6. Step 6: Final answer
    x = 62,947.51

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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.