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Finding the Fourth Proportional to 91,863.14, 137,741.08 and 35,637.55

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Solution

The fourth proportional to 91,863.14, 137,741.08 and 35,637.55 is: 53,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,863.14 : 137,741.08 = 35,637.55 : x
  2. Step 2: Convert to fraction form
    91,863.14/137,741.08 = 35,637.55/x
  3. Step 3: Cross multiply
    91,863.14x = 137,741.08 × 35,637.55
  4. Step 4: Simplify right side
    91,863.14x = 4,908,754,625.55
  5. Step 5: Solve for x
    x = 4,908,754,625.55/91,863.14
  6. Step 6: Final answer
    x = 53,435.52

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1.5x scale

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.