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Finding the Fourth Proportional to 234,248.16, 350,931.36 and 115,780.80

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Solution

The fourth proportional to 234,248.16, 350,931.36 and 115,780.80 is: 173,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,248.16 : 350,931.36 = 115,780.80 : x
  2. Step 2: Convert to fraction form
    234,248.16/350,931.36 = 115,780.80/x
  3. Step 3: Cross multiply
    234,248.16x = 350,931.36 × 115,780.80
  4. Step 4: Simplify right side
    234,248.16x = 40,631,113,605.89
  5. Step 5: Solve for x
    x = 40,631,113,605.89/234,248.16
  6. Step 6: Final answer
    x = 173,453.29

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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.