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Finding the Fourth Proportional to 169,895.85, 254,958.63 and 64,712.07

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Solution

The fourth proportional to 169,895.85, 254,958.63 and 64,712.07 is: 97,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,895.85 : 254,958.63 = 64,712.07 : x
  2. Step 2: Convert to fraction form
    169,895.85/254,958.63 = 64,712.07/x
  3. Step 3: Cross multiply
    169,895.85x = 254,958.63 × 64,712.07
  4. Step 4: Simplify right side
    169,895.85x = 16,498,900,711.66
  5. Step 5: Solve for x
    x = 16,498,900,711.66/169,895.85
  6. Step 6: Final answer
    x = 97,111.85

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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.