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Finding the Fourth Proportional to 91,340.63, 137,011.13 and 35,207.18

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Solution

The fourth proportional to 91,340.63, 137,011.13 and 35,207.18 is: 52,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,340.63 : 137,011.13 = 35,207.18 : x
  2. Step 2: Convert to fraction form
    91,340.63/137,011.13 = 35,207.18/x
  3. Step 3: Cross multiply
    91,340.63x = 137,011.13 × 35,207.18
  4. Step 4: Simplify right side
    91,340.63x = 4,823,775,515.91
  5. Step 5: Solve for x
    x = 4,823,775,515.91/91,340.63
  6. Step 6: Final answer
    x = 52,810.84

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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.