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Finding the Fourth Proportional to 229,735.87, 316,989.04 and 134,224.11

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Solution

The fourth proportional to 229,735.87, 316,989.04 and 134,224.11 is: 185,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,735.87 : 316,989.04 = 134,224.11 : x
  2. Step 2: Convert to fraction form
    229,735.87/316,989.04 = 134,224.11/x
  3. Step 3: Cross multiply
    229,735.87x = 316,989.04 × 134,224.11
  4. Step 4: Simplify right side
    229,735.87x = 42,547,571,773.75
  5. Step 5: Solve for x
    x = 42,547,571,773.75/229,735.87
  6. Step 6: Final answer
    x = 185,202.13

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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.