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Finding the Fourth Proportional to 159,250.78, 219,760.59 and 87,624.10

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Solution

The fourth proportional to 159,250.78, 219,760.59 and 87,624.10 is: 120,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,250.78 : 219,760.59 = 87,624.10 : x
  2. Step 2: Convert to fraction form
    159,250.78/219,760.59 = 87,624.10/x
  3. Step 3: Cross multiply
    159,250.78x = 219,760.59 × 87,624.10
  4. Step 4: Simplify right side
    159,250.78x = 19,256,323,914.22
  5. Step 5: Solve for x
    x = 19,256,323,914.22/159,250.78
  6. Step 6: Final answer
    x = 120,918.24

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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.