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Finding the Fourth Proportional to 503,134.07, 754,541.06 and 166,111.97

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Solution

The fourth proportional to 503,134.07, 754,541.06 and 166,111.97 is: 249,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,134.07 : 754,541.06 = 166,111.97 : x
  2. Step 2: Convert to fraction form
    503,134.07/754,541.06 = 166,111.97/x
  3. Step 3: Cross multiply
    503,134.07x = 754,541.06 × 166,111.97
  4. Step 4: Simplify right side
    503,134.07x = 125,338,297,319.22
  5. Step 5: Solve for x
    x = 125,338,297,319.22/503,134.07
  6. Step 6: Final answer
    x = 249,115.11

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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.