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Finding the Fourth Proportional to 237,259.92, 327,417.80 and 128,363.91

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Solution

The fourth proportional to 237,259.92, 327,417.80 and 128,363.91 is: 177,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,259.92 : 327,417.80 = 128,363.91 : x
  2. Step 2: Convert to fraction form
    237,259.92/327,417.80 = 128,363.91/x
  3. Step 3: Cross multiply
    237,259.92x = 327,417.80 × 128,363.91
  4. Step 4: Simplify right side
    237,259.92x = 42,028,627,374.51
  5. Step 5: Solve for x
    x = 42,028,627,374.51/237,259.92
  6. Step 6: Final answer
    x = 177,141.71

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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.