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Finding the Fourth Proportional to 107,307.45, 160,960.32 and 26,254.80

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Solution

The fourth proportional to 107,307.45, 160,960.32 and 26,254.80 is: 39,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,307.45 : 160,960.32 = 26,254.80 : x
  2. Step 2: Convert to fraction form
    107,307.45/160,960.32 = 26,254.80/x
  3. Step 3: Cross multiply
    107,307.45x = 160,960.32 × 26,254.80
  4. Step 4: Simplify right side
    107,307.45x = 4,225,981,009.54
  5. Step 5: Solve for x
    x = 4,225,981,009.54/107,307.45
  6. Step 6: Final answer
    x = 39,381.99

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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.