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Finding the Fourth Proportional to 272,395.52, 375,908.76 and 149,889.50

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Solution

The fourth proportional to 272,395.52, 375,908.76 and 149,889.50 is: 206,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,395.52 : 375,908.76 = 149,889.50 : x
  2. Step 2: Convert to fraction form
    272,395.52/375,908.76 = 149,889.50/x
  3. Step 3: Cross multiply
    272,395.52x = 375,908.76 × 149,889.50
  4. Step 4: Simplify right side
    272,395.52x = 56,344,774,202.48
  5. Step 5: Solve for x
    x = 56,344,774,202.48/272,395.52
  6. Step 6: Final answer
    x = 206,849.13

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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.