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Finding the Fourth Proportional to 169,243.90, 253,918.91 and 101,849.47

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Solution

The fourth proportional to 169,243.90, 253,918.91 and 101,849.47 is: 152,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,243.90 : 253,918.91 = 101,849.47 : x
  2. Step 2: Convert to fraction form
    169,243.90/253,918.91 = 101,849.47/x
  3. Step 3: Cross multiply
    169,243.90x = 253,918.91 × 101,849.47
  4. Step 4: Simplify right side
    169,243.90x = 25,861,506,406.48
  5. Step 5: Solve for x
    x = 25,861,506,406.48/169,243.90
  6. Step 6: Final answer
    x = 152,806.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.