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Finding the Fourth Proportional to 229,443.57, 316,543.68 and 169,157.52

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Solution

The fourth proportional to 229,443.57, 316,543.68 and 169,157.52 is: 233,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,443.57 : 316,543.68 = 169,157.52 : x
  2. Step 2: Convert to fraction form
    229,443.57/316,543.68 = 169,157.52/x
  3. Step 3: Cross multiply
    229,443.57x = 316,543.68 × 169,157.52
  4. Step 4: Simplify right side
    229,443.57x = 53,545,743,880.47
  5. Step 5: Solve for x
    x = 53,545,743,880.47/229,443.57
  6. Step 6: Final answer
    x = 233,372.17

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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.