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Finding the Fourth Proportional to 229,348.86, 316,350.63 and 144,394.62

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Solution

The fourth proportional to 229,348.86, 316,350.63 and 144,394.62 is: 199,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,348.86 : 316,350.63 = 144,394.62 : x
  2. Step 2: Convert to fraction form
    229,348.86/316,350.63 = 144,394.62/x
  3. Step 3: Cross multiply
    229,348.86x = 316,350.63 × 144,394.62
  4. Step 4: Simplify right side
    229,348.86x = 45,679,329,005.61
  5. Step 5: Solve for x
    x = 45,679,329,005.61/229,348.86
  6. Step 6: Final answer
    x = 199,169.64

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1.5x scale

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.