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Finding the Fourth Proportional to 107,056.80, 160,547.40 and 36,919.80

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Solution

The fourth proportional to 107,056.80, 160,547.40 and 36,919.80 is: 55,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,056.80 : 160,547.40 = 36,919.80 : x
  2. Step 2: Convert to fraction form
    107,056.80/160,547.40 = 36,919.80/x
  3. Step 3: Cross multiply
    107,056.80x = 160,547.40 × 36,919.80
  4. Step 4: Simplify right side
    107,056.80x = 5,927,377,898.52
  5. Step 5: Solve for x
    x = 5,927,377,898.52/107,056.80
  6. Step 6: Final answer
    x = 55,366.66

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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.