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Finding the Fourth Proportional to 158,843.93, 219,205.22 and 86,246.93

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Solution

The fourth proportional to 158,843.93, 219,205.22 and 86,246.93 is: 119,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,843.93 : 219,205.22 = 86,246.93 : x
  2. Step 2: Convert to fraction form
    158,843.93/219,205.22 = 86,246.93/x
  3. Step 3: Cross multiply
    158,843.93x = 219,205.22 × 86,246.93
  4. Step 4: Simplify right side
    158,843.93x = 18,905,775,737.71
  5. Step 5: Solve for x
    x = 18,905,775,737.71/158,843.93
  6. Step 6: Final answer
    x = 119,021.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.