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Finding the Fourth Proportional to 201,098.76, 277,646.32 and 124,699.02

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Solution

The fourth proportional to 201,098.76, 277,646.32 and 124,699.02 is: 172,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,098.76 : 277,646.32 = 124,699.02 : x
  2. Step 2: Convert to fraction form
    201,098.76/277,646.32 = 124,699.02/x
  3. Step 3: Cross multiply
    201,098.76x = 277,646.32 × 124,699.02
  4. Step 4: Simplify right side
    201,098.76x = 34,622,224,010.61
  5. Step 5: Solve for x
    x = 34,622,224,010.61/201,098.76
  6. Step 6: Final answer
    x = 172,165.28

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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.