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Finding the Fourth Proportional to 248,111.80, 372,264.90 and 98,326.60

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Solution

The fourth proportional to 248,111.80, 372,264.90 and 98,326.60 is: 147,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,111.80 : 372,264.90 = 98,326.60 : x
  2. Step 2: Convert to fraction form
    248,111.80/372,264.90 = 98,326.60/x
  3. Step 3: Cross multiply
    248,111.80x = 372,264.90 × 98,326.60
  4. Step 4: Simplify right side
    248,111.80x = 36,603,541,916.34
  5. Step 5: Solve for x
    x = 36,603,541,916.34/248,111.80
  6. Step 6: Final answer
    x = 147,528.42

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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.