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Finding the Fourth Proportional to 232,220.25, 348,388.90 and 66,008.25

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Solution

The fourth proportional to 232,220.25, 348,388.90 and 66,008.25 is: 99,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,220.25 : 348,388.90 = 66,008.25 : x
  2. Step 2: Convert to fraction form
    232,220.25/348,388.90 = 66,008.25/x
  3. Step 3: Cross multiply
    232,220.25x = 348,388.90 × 66,008.25
  4. Step 4: Simplify right side
    232,220.25x = 22,996,541,443.40
  5. Step 5: Solve for x
    x = 22,996,541,443.40/232,220.25
  6. Step 6: Final answer
    x = 99,029.01

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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.