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Finding the Fourth Proportional to 169,259.58, 253,514.98 and 69,116.10

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Solution

The fourth proportional to 169,259.58, 253,514.98 and 69,116.10 is: 103,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,259.58 : 253,514.98 = 69,116.10 : x
  2. Step 2: Convert to fraction form
    169,259.58/253,514.98 = 69,116.10/x
  3. Step 3: Cross multiply
    169,259.58x = 253,514.98 × 69,116.10
  4. Step 4: Simplify right side
    169,259.58x = 17,521,966,709.18
  5. Step 5: Solve for x
    x = 17,521,966,709.18/169,259.58
  6. Step 6: Final answer
    x = 103,521.27

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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.