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Finding the Fourth Proportional to 235,300.64, 324,710.61 and 127,871.04

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Solution

The fourth proportional to 235,300.64, 324,710.61 and 127,871.04 is: 176,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,300.64 : 324,710.61 = 127,871.04 : x
  2. Step 2: Convert to fraction form
    235,300.64/324,710.61 = 127,871.04/x
  3. Step 3: Cross multiply
    235,300.64x = 324,710.61 × 127,871.04
  4. Step 4: Simplify right side
    235,300.64x = 41,521,083,399.73
  5. Step 5: Solve for x
    x = 41,521,083,399.73/235,300.64
  6. Step 6: Final answer
    x = 176,459.72

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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.