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Finding the Fourth Proportional to 85,038.81, 127,464.93 and 35,093.13

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Solution

The fourth proportional to 85,038.81, 127,464.93 and 35,093.13 is: 52,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,038.81 : 127,464.93 = 35,093.13 : x
  2. Step 2: Convert to fraction form
    85,038.81/127,464.93 = 35,093.13/x
  3. Step 3: Cross multiply
    85,038.81x = 127,464.93 × 35,093.13
  4. Step 4: Simplify right side
    85,038.81x = 4,473,143,358.93
  5. Step 5: Solve for x
    x = 4,473,143,358.93/85,038.81
  6. Step 6: Final answer
    x = 52,601.20

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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.