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Finding the Fourth Proportional to 169,570.65, 234,031.70 and 101,590.46

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Solution

The fourth proportional to 169,570.65, 234,031.70 and 101,590.46 is: 140,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,570.65 : 234,031.70 = 101,590.46 : x
  2. Step 2: Convert to fraction form
    169,570.65/234,031.70 = 101,590.46/x
  3. Step 3: Cross multiply
    169,570.65x = 234,031.70 × 101,590.46
  4. Step 4: Simplify right side
    169,570.65x = 23,775,387,141.40
  5. Step 5: Solve for x
    x = 23,775,387,141.40/169,570.65
  6. Step 6: Final answer
    x = 140,209.33

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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.