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Finding the Fourth Proportional to 159,776.88, 239,678.76 and 54,603.12

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Solution

The fourth proportional to 159,776.88, 239,678.76 and 54,603.12 is: 81,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,776.88 : 239,678.76 = 54,603.12 : x
  2. Step 2: Convert to fraction form
    159,776.88/239,678.76 = 54,603.12/x
  3. Step 3: Cross multiply
    159,776.88x = 239,678.76 × 54,603.12
  4. Step 4: Simplify right side
    159,776.88x = 13,087,208,093.73
  5. Step 5: Solve for x
    x = 13,087,208,093.73/159,776.88
  6. Step 6: Final answer
    x = 81,909.27

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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.