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Finding the Fourth Proportional to 109,659.30, 164,488.95 and 62,256.08

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Solution

The fourth proportional to 109,659.30, 164,488.95 and 62,256.08 is: 93,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,659.30 : 164,488.95 = 62,256.08 : x
  2. Step 2: Convert to fraction form
    109,659.30/164,488.95 = 62,256.08/x
  3. Step 3: Cross multiply
    109,659.30x = 164,488.95 × 62,256.08
  4. Step 4: Simplify right side
    109,659.30x = 10,240,436,407.87
  5. Step 5: Solve for x
    x = 10,240,436,407.87/109,659.30
  6. Step 6: Final answer
    x = 93,384.11

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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.