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Finding the Fourth Proportional to 106,409.88, 159,617.76 and 26,444.62

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Solution

The fourth proportional to 106,409.88, 159,617.76 and 26,444.62 is: 39,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,409.88 : 159,617.76 = 26,444.62 : x
  2. Step 2: Convert to fraction form
    106,409.88/159,617.76 = 26,444.62/x
  3. Step 3: Cross multiply
    106,409.88x = 159,617.76 × 26,444.62
  4. Step 4: Simplify right side
    106,409.88x = 4,221,031,008.45
  5. Step 5: Solve for x
    x = 4,221,031,008.45/106,409.88
  6. Step 6: Final answer
    x = 39,667.66

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1.5x scale

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.