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Finding the Fourth Proportional to 159,160.41, 219,633.21 and 87,526.67

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Solution

The fourth proportional to 159,160.41, 219,633.21 and 87,526.67 is: 120,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,160.41 : 219,633.21 = 87,526.67 : x
  2. Step 2: Convert to fraction form
    159,160.41/219,633.21 = 87,526.67/x
  3. Step 3: Cross multiply
    159,160.41x = 219,633.21 × 87,526.67
  4. Step 4: Simplify right side
    159,160.41x = 19,223,762,394.54
  5. Step 5: Solve for x
    x = 19,223,762,394.54/159,160.41
  6. Step 6: Final answer
    x = 120,782.31

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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.