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Finding the Fourth Proportional to 90,062.59, 135,096.62 and 30,897.41

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Solution

The fourth proportional to 90,062.59, 135,096.62 and 30,897.41 is: 46,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,062.59 : 135,096.62 = 30,897.41 : x
  2. Step 2: Convert to fraction form
    90,062.59/135,096.62 = 30,897.41/x
  3. Step 3: Cross multiply
    90,062.59x = 135,096.62 × 30,897.41
  4. Step 4: Simplify right side
    90,062.59x = 4,174,135,657.75
  5. Step 5: Solve for x
    x = 4,174,135,657.75/90,062.59
  6. Step 6: Final answer
    x = 46,347.05

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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.