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Finding the Fourth Proportional to 201,377.98, 277,832.40 and 124,869.52

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Solution

The fourth proportional to 201,377.98, 277,832.40 and 124,869.52 is: 172,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,377.98 : 277,832.40 = 124,869.52 : x
  2. Step 2: Convert to fraction form
    201,377.98/277,832.40 = 124,869.52/x
  3. Step 3: Cross multiply
    201,377.98x = 277,832.40 × 124,869.52
  4. Step 4: Simplify right side
    201,377.98x = 34,692,798,428.45
  5. Step 5: Solve for x
    x = 34,692,798,428.45/201,377.98
  6. Step 6: Final answer
    x = 172,277.02

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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.