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Finding the Fourth Proportional to 248,045.28, 342,300.06 and 134,868.03

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Solution

The fourth proportional to 248,045.28, 342,300.06 and 134,868.03 is: 186,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,045.28 : 342,300.06 = 134,868.03 : x
  2. Step 2: Convert to fraction form
    248,045.28/342,300.06 = 134,868.03/x
  3. Step 3: Cross multiply
    248,045.28x = 342,300.06 × 134,868.03
  4. Step 4: Simplify right side
    248,045.28x = 46,165,334,761.08
  5. Step 5: Solve for x
    x = 46,165,334,761.08/248,045.28
  6. Step 6: Final answer
    x = 186,116.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.