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Finding the Fourth Proportional to 160,025.28, 240,013.28 and 54,820.16

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Solution

The fourth proportional to 160,025.28, 240,013.28 and 54,820.16 is: 82,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,025.28 : 240,013.28 = 54,820.16 : x
  2. Step 2: Convert to fraction form
    160,025.28/240,013.28 = 54,820.16/x
  3. Step 3: Cross multiply
    160,025.28x = 240,013.28 × 54,820.16
  4. Step 4: Simplify right side
    160,025.28x = 13,157,566,411.72
  5. Step 5: Solve for x
    x = 13,157,566,411.72/160,025.28
  6. Step 6: Final answer
    x = 82,221.80

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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.