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Finding the Fourth Proportional to 232,360.70, 348,533.85 and 66,148.70

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Solution

The fourth proportional to 232,360.70, 348,533.85 and 66,148.70 is: 99,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,360.70 : 348,533.85 = 66,148.70 : x
  2. Step 2: Convert to fraction form
    232,360.70/348,533.85 = 66,148.70/x
  3. Step 3: Cross multiply
    232,360.70x = 348,533.85 × 66,148.70
  4. Step 4: Simplify right side
    232,360.70x = 23,055,061,083.50
  5. Step 5: Solve for x
    x = 23,055,061,083.50/232,360.70
  6. Step 6: Final answer
    x = 99,221.00

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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.