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Finding the Fourth Proportional to 91,201.55, 136,802.33 and 41,953.55

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Solution

The fourth proportional to 91,201.55, 136,802.33 and 41,953.55 is: 62,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,201.55 : 136,802.33 = 41,953.55 : x
  2. Step 2: Convert to fraction form
    91,201.55/136,802.33 = 41,953.55/x
  3. Step 3: Cross multiply
    91,201.55x = 136,802.33 × 41,953.55
  4. Step 4: Simplify right side
    91,201.55x = 5,739,343,182.00
  5. Step 5: Solve for x
    x = 5,739,343,182.00/91,201.55
  6. Step 6: Final answer
    x = 62,930.33

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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.