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Finding the Fourth Proportional to 248,368.68, 372,615.90 and 70,876.32

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Solution

The fourth proportional to 248,368.68, 372,615.90 and 70,876.32 is: 106,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,368.68 : 372,615.90 = 70,876.32 : x
  2. Step 2: Convert to fraction form
    248,368.68/372,615.90 = 70,876.32/x
  3. Step 3: Cross multiply
    248,368.68x = 372,615.90 × 70,876.32
  4. Step 4: Simplify right side
    248,368.68x = 26,409,642,102.39
  5. Step 5: Solve for x
    x = 26,409,642,102.39/248,368.68
  6. Step 6: Final answer
    x = 106,332.42

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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.