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Finding the Fourth Proportional to 106,877.80, 160,278.90 and 36,740.80

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Solution

The fourth proportional to 106,877.80, 160,278.90 and 36,740.80 is: 55,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,877.80 : 160,278.90 = 36,740.80 : x
  2. Step 2: Convert to fraction form
    106,877.80/160,278.90 = 36,740.80/x
  3. Step 3: Cross multiply
    106,877.80x = 160,278.90 × 36,740.80
  4. Step 4: Simplify right side
    106,877.80x = 5,888,775,009.12
  5. Step 5: Solve for x
    x = 5,888,775,009.12/106,877.80
  6. Step 6: Final answer
    x = 55,098.21

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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.