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Finding the Fourth Proportional to 201,168.47, 277,497.01 and 125,585.75

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Solution

The fourth proportional to 201,168.47, 277,497.01 and 125,585.75 is: 173,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,168.47 : 277,497.01 = 125,585.75 : x
  2. Step 2: Convert to fraction form
    201,168.47/277,497.01 = 125,585.75/x
  3. Step 3: Cross multiply
    201,168.47x = 277,497.01 × 125,585.75
  4. Step 4: Simplify right side
    201,168.47x = 34,849,671,717.77
  5. Step 5: Solve for x
    x = 34,849,671,717.77/201,168.47
  6. Step 6: Final answer
    x = 173,236.25

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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.