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Finding the Fourth Proportional to 94,667.81, 141,866.40 and 69,510.48

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Solution

The fourth proportional to 94,667.81, 141,866.40 and 69,510.48 is: 104,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,667.81 : 141,866.40 = 69,510.48 : x
  2. Step 2: Convert to fraction form
    94,667.81/141,866.40 = 69,510.48/x
  3. Step 3: Cross multiply
    94,667.81x = 141,866.40 × 69,510.48
  4. Step 4: Simplify right side
    94,667.81x = 9,861,201,559.87
  5. Step 5: Solve for x
    x = 9,861,201,559.87/94,667.81
  6. Step 6: Final answer
    x = 104,166.36

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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.