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Finding the Fourth Proportional to 134,601.40, 201,885.90 and 55,707.40

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Solution

The fourth proportional to 134,601.40, 201,885.90 and 55,707.40 is: 83,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,601.40 : 201,885.90 = 55,707.40 : x
  2. Step 2: Convert to fraction form
    134,601.40/201,885.90 = 55,707.40/x
  3. Step 3: Cross multiply
    134,601.40x = 201,885.90 × 55,707.40
  4. Step 4: Simplify right side
    134,601.40x = 11,246,538,585.66
  5. Step 5: Solve for x
    x = 11,246,538,585.66/134,601.40
  6. Step 6: Final answer
    x = 83,554.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.