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Finding the Fourth Proportional to 277,715.60, 416,487.18 and 100,199.48

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Solution

The fourth proportional to 277,715.60, 416,487.18 and 100,199.48 is: 150,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,715.60 : 416,487.18 = 100,199.48 : x
  2. Step 2: Convert to fraction form
    277,715.60/416,487.18 = 100,199.48/x
  3. Step 3: Cross multiply
    277,715.60x = 416,487.18 × 100,199.48
  4. Step 4: Simplify right side
    277,715.60x = 41,731,798,862.67
  5. Step 5: Solve for x
    x = 41,731,798,862.67/277,715.60
  6. Step 6: Final answer
    x = 150,268.11

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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.