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Finding the Fourth Proportional to 272,025.06, 375,393.16 and 149,520.26

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Solution

The fourth proportional to 272,025.06, 375,393.16 and 149,520.26 is: 206,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,025.06 : 375,393.16 = 149,520.26 : x
  2. Step 2: Convert to fraction form
    272,025.06/375,393.16 = 149,520.26/x
  3. Step 3: Cross multiply
    272,025.06x = 375,393.16 × 149,520.26
  4. Step 4: Simplify right side
    272,025.06x = 56,128,882,885.42
  5. Step 5: Solve for x
    x = 56,128,882,885.42/272,025.06
  6. Step 6: Final answer
    x = 206,337.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.