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Finding the Fourth Proportional to 201,373.95, 277,826.90 and 124,865.51

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Solution

The fourth proportional to 201,373.95, 277,826.90 and 124,865.51 is: 172,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,373.95 : 277,826.90 = 124,865.51 : x
  2. Step 2: Convert to fraction form
    201,373.95/277,826.90 = 124,865.51/x
  3. Step 3: Cross multiply
    201,373.95x = 277,826.90 × 124,865.51
  4. Step 4: Simplify right side
    201,373.95x = 34,690,995,546.76
  5. Step 5: Solve for x
    x = 34,690,995,546.76/201,373.95
  6. Step 6: Final answer
    x = 172,271.51

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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.