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Finding the Fourth Proportional to 201,356.34, 277,845.01 and 124,847.53

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Solution

The fourth proportional to 201,356.34, 277,845.01 and 124,847.53 is: 172,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,356.34 : 277,845.01 = 124,847.53 : x
  2. Step 2: Convert to fraction form
    201,356.34/277,845.01 = 124,847.53/x
  3. Step 3: Cross multiply
    201,356.34x = 277,845.01 × 124,847.53
  4. Step 4: Simplify right side
    201,356.34x = 34,688,262,565.73
  5. Step 5: Solve for x
    x = 34,688,262,565.73/201,356.34
  6. Step 6: Final answer
    x = 172,273.01

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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.