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Finding the Fourth Proportional to 147,029.76, 220,152.96 and 100,373.76

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Solution

The fourth proportional to 147,029.76, 220,152.96 and 100,373.76 is: 150,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,029.76 : 220,152.96 = 100,373.76 : x
  2. Step 2: Convert to fraction form
    147,029.76/220,152.96 = 100,373.76/x
  3. Step 3: Cross multiply
    147,029.76x = 220,152.96 × 100,373.76
  4. Step 4: Simplify right side
    147,029.76x = 22,097,580,370.33
  5. Step 5: Solve for x
    x = 22,097,580,370.33/147,029.76
  6. Step 6: Final answer
    x = 150,293.25

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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.