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Finding the Fourth Proportional to 301,401.36, 451,787.76 and 101,653.20

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Solution

The fourth proportional to 301,401.36, 451,787.76 and 101,653.20 is: 152,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,401.36 : 451,787.76 = 101,653.20 : x
  2. Step 2: Convert to fraction form
    301,401.36/451,787.76 = 101,653.20/x
  3. Step 3: Cross multiply
    301,401.36x = 451,787.76 × 101,653.20
  4. Step 4: Simplify right side
    301,401.36x = 45,925,671,524.83
  5. Step 5: Solve for x
    x = 45,925,671,524.83/301,401.36
  6. Step 6: Final answer
    x = 152,373.80

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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.