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Finding the Fourth Proportional to 232,479.72, 348,094.80 and 147,780.72

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Solution

The fourth proportional to 232,479.72, 348,094.80 and 147,780.72 is: 221,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,479.72 : 348,094.80 = 147,780.72 : x
  2. Step 2: Convert to fraction form
    232,479.72/348,094.80 = 147,780.72/x
  3. Step 3: Cross multiply
    232,479.72x = 348,094.80 × 147,780.72
  4. Step 4: Simplify right side
    232,479.72x = 51,441,700,172.26
  5. Step 5: Solve for x
    x = 51,441,700,172.26/232,479.72
  6. Step 6: Final answer
    x = 221,273.93

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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.