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Finding the Fourth Proportional to 143,098.40, 214,724.40 and 60,000.80

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Solution

The fourth proportional to 143,098.40, 214,724.40 and 60,000.80 is: 90,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,098.40 : 214,724.40 = 60,000.80 : x
  2. Step 2: Convert to fraction form
    143,098.40/214,724.40 = 60,000.80/x
  3. Step 3: Cross multiply
    143,098.40x = 214,724.40 × 60,000.80
  4. Step 4: Simplify right side
    143,098.40x = 12,883,635,779.52
  5. Step 5: Solve for x
    x = 12,883,635,779.52/143,098.40
  6. Step 6: Final answer
    x = 90,033.40

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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.