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Finding the Fourth Proportional to 169,954.30, 254,701.81 and 64,715.86

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Solution

The fourth proportional to 169,954.30, 254,701.81 and 64,715.86 is: 96,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,954.30 : 254,701.81 = 64,715.86 : x
  2. Step 2: Convert to fraction form
    169,954.30/254,701.81 = 64,715.86/x
  3. Step 3: Cross multiply
    169,954.30x = 254,701.81 × 64,715.86
  4. Step 4: Simplify right side
    169,954.30x = 16,483,246,677.71
  5. Step 5: Solve for x
    x = 16,483,246,677.71/169,954.30
  6. Step 6: Final answer
    x = 96,986.35

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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.