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Finding the Fourth Proportional to 248,528.84, 372,805.54 and 71,061.96

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Solution

The fourth proportional to 248,528.84, 372,805.54 and 71,061.96 is: 106,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,528.84 : 372,805.54 = 71,061.96 : x
  2. Step 2: Convert to fraction form
    248,528.84/372,805.54 = 71,061.96/x
  3. Step 3: Cross multiply
    248,528.84x = 372,805.54 × 71,061.96
  4. Step 4: Simplify right side
    248,528.84x = 26,492,292,371.26
  5. Step 5: Solve for x
    x = 26,492,292,371.26/248,528.84
  6. Step 6: Final answer
    x = 106,596.45

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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.