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Finding the Fourth Proportional to 240,871.68, 359,842.36 and 155,939.92

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Solution

The fourth proportional to 240,871.68, 359,842.36 and 155,939.92 is: 232,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,871.68 : 359,842.36 = 155,939.92 : x
  2. Step 2: Convert to fraction form
    240,871.68/359,842.36 = 155,939.92/x
  3. Step 3: Cross multiply
    240,871.68x = 359,842.36 × 155,939.92
  4. Step 4: Simplify right side
    240,871.68x = 56,113,788,831.01
  5. Step 5: Solve for x
    x = 56,113,788,831.01/240,871.68
  6. Step 6: Final answer
    x = 232,961.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.