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Finding the Fourth Proportional to 232,019.80, 348,029.70 and 142,984.60

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Solution

The fourth proportional to 232,019.80, 348,029.70 and 142,984.60 is: 214,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,019.80 : 348,029.70 = 142,984.60 : x
  2. Step 2: Convert to fraction form
    232,019.80/348,029.70 = 142,984.60/x
  3. Step 3: Cross multiply
    232,019.80x = 348,029.70 × 142,984.60
  4. Step 4: Simplify right side
    232,019.80x = 49,762,887,442.62
  5. Step 5: Solve for x
    x = 49,762,887,442.62/232,019.80
  6. Step 6: Final answer
    x = 214,476.90

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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.