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Finding the Fourth Proportional to 155,470.78, 233,212.20 and 48,927.40

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Solution

The fourth proportional to 155,470.78, 233,212.20 and 48,927.40 is: 73,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,470.78 : 233,212.20 = 48,927.40 : x
  2. Step 2: Convert to fraction form
    155,470.78/233,212.20 = 48,927.40/x
  3. Step 3: Cross multiply
    155,470.78x = 233,212.20 × 48,927.40
  4. Step 4: Simplify right side
    155,470.78x = 11,410,466,594.28
  5. Step 5: Solve for x
    x = 11,410,466,594.28/155,470.78
  6. Step 6: Final answer
    x = 73,393.00

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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.