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Finding the Fourth Proportional to 169,752.63, 234,161.14 and 105,979.71

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Solution

The fourth proportional to 169,752.63, 234,161.14 and 105,979.71 is: 146,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,752.63 : 234,161.14 = 105,979.71 : x
  2. Step 2: Convert to fraction form
    169,752.63/234,161.14 = 105,979.71/x
  3. Step 3: Cross multiply
    169,752.63x = 234,161.14 × 105,979.71
  4. Step 4: Simplify right side
    169,752.63x = 24,816,329,710.47
  5. Step 5: Solve for x
    x = 24,816,329,710.47/169,752.63
  6. Step 6: Final answer
    x = 146,191.14

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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.