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Finding the Fourth Proportional to 201,376.58, 277,830.51 and 124,868.13

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Solution

The fourth proportional to 201,376.58, 277,830.51 and 124,868.13 is: 172,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,376.58 : 277,830.51 = 124,868.13 : x
  2. Step 2: Convert to fraction form
    201,376.58/277,830.51 = 124,868.13/x
  3. Step 3: Cross multiply
    201,376.58x = 277,830.51 × 124,868.13
  4. Step 4: Simplify right side
    201,376.58x = 34,692,176,240.65
  5. Step 5: Solve for x
    x = 34,692,176,240.65/201,376.58
  6. Step 6: Final answer
    x = 172,275.13

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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.