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Finding the Fourth Proportional to 91,258.70, 136,887.48 and 37,223.17

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Solution

The fourth proportional to 91,258.70, 136,887.48 and 37,223.17 is: 55,834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,258.70 : 136,887.48 = 37,223.17 : x
  2. Step 2: Convert to fraction form
    91,258.70/136,887.48 = 37,223.17/x
  3. Step 3: Cross multiply
    91,258.70x = 136,887.48 × 37,223.17
  4. Step 4: Simplify right side
    91,258.70x = 5,095,385,596.69
  5. Step 5: Solve for x
    x = 5,095,385,596.69/91,258.70
  6. Step 6: Final answer
    x = 55,834.52

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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.