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Finding the Fourth Proportional to 91,339.63, 137,009.63 and 35,206.18

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Solution

The fourth proportional to 91,339.63, 137,009.63 and 35,206.18 is: 52,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,339.63 : 137,009.63 = 35,206.18 : x
  2. Step 2: Convert to fraction form
    91,339.63/137,009.63 = 35,206.18/x
  3. Step 3: Cross multiply
    91,339.63x = 137,009.63 × 35,206.18
  4. Step 4: Simplify right side
    91,339.63x = 4,823,585,242.97
  5. Step 5: Solve for x
    x = 4,823,585,242.97/91,339.63
  6. Step 6: Final answer
    x = 52,809.33

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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.