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Finding the Fourth Proportional to 107,925.80, 161,888.70 and 107,234.60

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Solution

The fourth proportional to 107,925.80, 161,888.70 and 107,234.60 is: 160,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,925.80 : 161,888.70 = 107,234.60 : x
  2. Step 2: Convert to fraction form
    107,925.80/161,888.70 = 107,234.60/x
  3. Step 3: Cross multiply
    107,925.80x = 161,888.70 × 107,234.60
  4. Step 4: Simplify right side
    107,925.80x = 17,360,069,989.02
  5. Step 5: Solve for x
    x = 17,360,069,989.02/107,925.80
  6. Step 6: Final answer
    x = 160,851.90

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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.