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Finding the Fourth Proportional to 169,860.34, 254,821.15 and 69,966.01

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Solution

The fourth proportional to 169,860.34, 254,821.15 and 69,966.01 is: 104,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,860.34 : 254,821.15 = 69,966.01 : x
  2. Step 2: Convert to fraction form
    169,860.34/254,821.15 = 69,966.01/x
  3. Step 3: Cross multiply
    169,860.34x = 254,821.15 × 69,966.01
  4. Step 4: Simplify right side
    169,860.34x = 17,828,817,680.09
  5. Step 5: Solve for x
    x = 17,828,817,680.09/169,860.34
  6. Step 6: Final answer
    x = 104,961.63

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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.