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Finding the Fourth Proportional to 277,599.60, 416,337.06 and 127,695.90

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Solution

The fourth proportional to 277,599.60, 416,337.06 and 127,695.90 is: 191,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,599.60 : 416,337.06 = 127,695.90 : x
  2. Step 2: Convert to fraction form
    277,599.60/416,337.06 = 127,695.90/x
  3. Step 3: Cross multiply
    277,599.60x = 416,337.06 × 127,695.90
  4. Step 4: Simplify right side
    277,599.60x = 53,164,535,580.05
  5. Step 5: Solve for x
    x = 53,164,535,580.05/277,599.60
  6. Step 6: Final answer
    x = 191,515.17

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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.