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Finding the Fourth Proportional to 148,384.93, 204,775.02 and 91,055.93

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Solution

The fourth proportional to 148,384.93, 204,775.02 and 91,055.93 is: 125,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,384.93 : 204,775.02 = 91,055.93 : x
  2. Step 2: Convert to fraction form
    148,384.93/204,775.02 = 91,055.93/x
  3. Step 3: Cross multiply
    148,384.93x = 204,775.02 × 91,055.93
  4. Step 4: Simplify right side
    148,384.93x = 18,645,979,886.87
  5. Step 5: Solve for x
    x = 18,645,979,886.87/148,384.93
  6. Step 6: Final answer
    x = 125,659.53

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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.