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Finding the Fourth Proportional to 201,032.64, 277,365.96 and 124,607.88

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Solution

The fourth proportional to 201,032.64, 277,365.96 and 124,607.88 is: 171,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,032.64 : 277,365.96 = 124,607.88 : x
  2. Step 2: Convert to fraction form
    201,032.64/277,365.96 = 124,607.88/x
  3. Step 3: Cross multiply
    201,032.64x = 277,365.96 × 124,607.88
  4. Step 4: Simplify right side
    201,032.64x = 34,561,984,259.76
  5. Step 5: Solve for x
    x = 34,561,984,259.76/201,032.64
  6. Step 6: Final answer
    x = 171,922.25

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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.