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Finding the Fourth Proportional to 234,062.60, 350,219.10 and 155,330.60

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Solution

The fourth proportional to 234,062.60, 350,219.10 and 155,330.60 is: 232,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,062.60 : 350,219.10 = 155,330.60 : x
  2. Step 2: Convert to fraction form
    234,062.60/350,219.10 = 155,330.60/x
  3. Step 3: Cross multiply
    234,062.60x = 350,219.10 × 155,330.60
  4. Step 4: Simplify right side
    234,062.60x = 54,399,742,934.46
  5. Step 5: Solve for x
    x = 54,399,742,934.46/234,062.60
  6. Step 6: Final answer
    x = 232,415.36

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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.