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Finding the Fourth Proportional to 248,117.80, 372,273.90 and 98,332.60

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Solution

The fourth proportional to 248,117.80, 372,273.90 and 98,332.60 is: 147,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,117.80 : 372,273.90 = 98,332.60 : x
  2. Step 2: Convert to fraction form
    248,117.80/372,273.90 = 98,332.60/x
  3. Step 3: Cross multiply
    248,117.80x = 372,273.90 × 98,332.60
  4. Step 4: Simplify right side
    248,117.80x = 36,606,660,499.14
  5. Step 5: Solve for x
    x = 36,606,660,499.14/248,117.80
  6. Step 6: Final answer
    x = 147,537.42

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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.