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Finding the Fourth Proportional to 201,008.66, 277,521.76 and 124,609.40

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Solution

The fourth proportional to 201,008.66, 277,521.76 and 124,609.40 is: 172,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,008.66 : 277,521.76 = 124,609.40 : x
  2. Step 2: Convert to fraction form
    201,008.66/277,521.76 = 124,609.40/x
  3. Step 3: Cross multiply
    201,008.66x = 277,521.76 × 124,609.40
  4. Step 4: Simplify right side
    201,008.66x = 34,581,820,000.54
  5. Step 5: Solve for x
    x = 34,581,820,000.54/201,008.66
  6. Step 6: Final answer
    x = 172,041.44

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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.