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Finding the Fourth Proportional to 341,071.04, 511,606.20 and 91,753.04

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Solution

The fourth proportional to 341,071.04, 511,606.20 and 91,753.04 is: 137,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,071.04 : 511,606.20 = 91,753.04 : x
  2. Step 2: Convert to fraction form
    341,071.04/511,606.20 = 91,753.04/x
  3. Step 3: Cross multiply
    341,071.04x = 511,606.20 × 91,753.04
  4. Step 4: Simplify right side
    341,071.04x = 46,941,424,132.85
  5. Step 5: Solve for x
    x = 46,941,424,132.85/341,071.04
  6. Step 6: Final answer
    x = 137,629.46

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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.