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Finding the Fourth Proportional to 108,907.20, 163,360.80 and 95,083.20

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Solution

The fourth proportional to 108,907.20, 163,360.80 and 95,083.20 is: 142,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,907.20 : 163,360.80 = 95,083.20 : x
  2. Step 2: Convert to fraction form
    108,907.20/163,360.80 = 95,083.20/x
  3. Step 3: Cross multiply
    108,907.20x = 163,360.80 × 95,083.20
  4. Step 4: Simplify right side
    108,907.20x = 15,532,867,618.56
  5. Step 5: Solve for x
    x = 15,532,867,618.56/108,907.20
  6. Step 6: Final answer
    x = 142,624.80

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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.