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Finding the Fourth Proportional to 107,055.80, 160,545.90 and 36,918.80

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Solution

The fourth proportional to 107,055.80, 160,545.90 and 36,918.80 is: 55,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,055.80 : 160,545.90 = 36,918.80 : x
  2. Step 2: Convert to fraction form
    107,055.80/160,545.90 = 36,918.80/x
  3. Step 3: Cross multiply
    107,055.80x = 160,545.90 × 36,918.80
  4. Step 4: Simplify right side
    107,055.80x = 5,927,161,972.92
  5. Step 5: Solve for x
    x = 5,927,161,972.92/107,055.80
  6. Step 6: Final answer
    x = 55,365.16

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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.