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Finding the Fourth Proportional to 107,751.60, 161,627.40 and 37,621.80

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Solution

The fourth proportional to 107,751.60, 161,627.40 and 37,621.80 is: 56,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,751.60 : 161,627.40 = 37,621.80 : x
  2. Step 2: Convert to fraction form
    107,751.60/161,627.40 = 37,621.80/x
  3. Step 3: Cross multiply
    107,751.60x = 161,627.40 × 37,621.80
  4. Step 4: Simplify right side
    107,751.60x = 6,080,713,717.32
  5. Step 5: Solve for x
    x = 6,080,713,717.32/107,751.60
  6. Step 6: Final answer
    x = 56,432.70

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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.