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Finding the Fourth Proportional to 272,015.66, 375,381.80 and 151,168.20

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Solution

The fourth proportional to 272,015.66, 375,381.80 and 151,168.20 is: 208,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,015.66 : 375,381.80 = 151,168.20 : x
  2. Step 2: Convert to fraction form
    272,015.66/375,381.80 = 151,168.20/x
  3. Step 3: Cross multiply
    272,015.66x = 375,381.80 × 151,168.20
  4. Step 4: Simplify right side
    272,015.66x = 56,745,790,262.92
  5. Step 5: Solve for x
    x = 56,745,790,262.92/272,015.66
  6. Step 6: Final answer
    x = 208,612.22

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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.