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Finding the Fourth Proportional to 168,917.65, 253,312.27 and 69,024.26

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Solution

The fourth proportional to 168,917.65, 253,312.27 and 69,024.26 is: 103,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,917.65 : 253,312.27 = 69,024.26 : x
  2. Step 2: Convert to fraction form
    168,917.65/253,312.27 = 69,024.26/x
  3. Step 3: Cross multiply
    168,917.65x = 253,312.27 × 69,024.26
  4. Step 4: Simplify right side
    168,917.65x = 17,484,691,985.67
  5. Step 5: Solve for x
    x = 17,484,691,985.67/168,917.65
  6. Step 6: Final answer
    x = 103,510.15

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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.