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Finding the Fourth Proportional to 91,177.33, 125,831.06 and 50,898.96

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Solution

The fourth proportional to 91,177.33, 125,831.06 and 50,898.96 is: 70,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177.33 : 125,831.06 = 50,898.96 : x
  2. Step 2: Convert to fraction form
    91,177.33/125,831.06 = 50,898.96/x
  3. Step 3: Cross multiply
    91,177.33x = 125,831.06 × 50,898.96
  4. Step 4: Simplify right side
    91,177.33x = 6,404,670,089.70
  5. Step 5: Solve for x
    x = 6,404,670,089.70/91,177.33
  6. Step 6: Final answer
    x = 70,244.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.