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Finding the Fourth Proportional to 134,610.40, 201,899.40 and 55,716.40

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Solution

The fourth proportional to 134,610.40, 201,899.40 and 55,716.40 is: 83,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,610.40 : 201,899.40 = 55,716.40 : x
  2. Step 2: Convert to fraction form
    134,610.40/201,899.40 = 55,716.40/x
  3. Step 3: Cross multiply
    134,610.40x = 201,899.40 × 55,716.40
  4. Step 4: Simplify right side
    134,610.40x = 11,249,107,730.16
  5. Step 5: Solve for x
    x = 11,249,107,730.16/134,610.40
  6. Step 6: Final answer
    x = 83,567.89

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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.