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Finding the Fourth Proportional to 169,239.87, 253,456.27 and 98,012.01

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Solution

The fourth proportional to 169,239.87, 253,456.27 and 98,012.01 is: 146,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,239.87 : 253,456.27 = 98,012.01 : x
  2. Step 2: Convert to fraction form
    169,239.87/253,456.27 = 98,012.01/x
  3. Step 3: Cross multiply
    169,239.87x = 253,456.27 × 98,012.01
  4. Step 4: Simplify right side
    169,239.87x = 24,841,758,475.07
  5. Step 5: Solve for x
    x = 24,841,758,475.07/169,239.87
  6. Step 6: Final answer
    x = 146,784.32

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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.