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Finding the Fourth Proportional to 229,300.02, 316,443.12 and 132,500.66

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Solution

The fourth proportional to 229,300.02, 316,443.12 and 132,500.66 is: 182,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,300.02 : 316,443.12 = 132,500.66 : x
  2. Step 2: Convert to fraction form
    229,300.02/316,443.12 = 132,500.66/x
  3. Step 3: Cross multiply
    229,300.02x = 316,443.12 × 132,500.66
  4. Step 4: Simplify right side
    229,300.02x = 41,928,922,252.46
  5. Step 5: Solve for x
    x = 41,928,922,252.46/229,300.02
  6. Step 6: Final answer
    x = 182,856.16

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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.