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Finding the Fourth Proportional to 201,095.76, 277,642.18 and 124,696.02

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Solution

The fourth proportional to 201,095.76, 277,642.18 and 124,696.02 is: 172,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,095.76 : 277,642.18 = 124,696.02 : x
  2. Step 2: Convert to fraction form
    201,095.76/277,642.18 = 124,696.02/x
  3. Step 3: Cross multiply
    201,095.76x = 277,642.18 × 124,696.02
  4. Step 4: Simplify right side
    201,095.76x = 34,620,874,830.12
  5. Step 5: Solve for x
    x = 34,620,874,830.12/201,095.76
  6. Step 6: Final answer
    x = 172,161.14

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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.