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Finding the Fourth Proportional to 107,038.92, 160,436.88 and 36,860.52

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Solution

The fourth proportional to 107,038.92, 160,436.88 and 36,860.52 is: 55,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,038.92 : 160,436.88 = 36,860.52 : x
  2. Step 2: Convert to fraction form
    107,038.92/160,436.88 = 36,860.52/x
  3. Step 3: Cross multiply
    107,038.92x = 160,436.88 × 36,860.52
  4. Step 4: Simplify right side
    107,038.92x = 5,913,786,823.98
  5. Step 5: Solve for x
    x = 5,913,786,823.98/107,038.92
  6. Step 6: Final answer
    x = 55,248.94

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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.