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Finding the Fourth Proportional to 248,373.52, 372,573.78 and 70,866.88

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Solution

The fourth proportional to 248,373.52, 372,573.78 and 70,866.88 is: 106,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,373.52 : 372,573.78 = 70,866.88 : x
  2. Step 2: Convert to fraction form
    248,373.52/372,573.78 = 70,866.88/x
  3. Step 3: Cross multiply
    248,373.52x = 372,573.78 × 70,866.88
  4. Step 4: Simplify right side
    248,373.52x = 26,403,141,358.41
  5. Step 5: Solve for x
    x = 26,403,141,358.41/248,373.52
  6. Step 6: Final answer
    x = 106,304.17

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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.