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Finding the Fourth Proportional to 170,989.40, 256,459.80 and 58,674.80

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Solution

The fourth proportional to 170,989.40, 256,459.80 and 58,674.80 is: 88,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,989.40 : 256,459.80 = 58,674.80 : x
  2. Step 2: Convert to fraction form
    170,989.40/256,459.80 = 58,674.80/x
  3. Step 3: Cross multiply
    170,989.40x = 256,459.80 × 58,674.80
  4. Step 4: Simplify right side
    170,989.40x = 15,047,727,473.04
  5. Step 5: Solve for x
    x = 15,047,727,473.04/170,989.40
  6. Step 6: Final answer
    x = 88,003.86

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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.