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Finding the Fourth Proportional to 159,567.03, 220,203.52 and 87,947.06

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Solution

The fourth proportional to 159,567.03, 220,203.52 and 87,947.06 is: 121,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,567.03 : 220,203.52 = 87,947.06 : x
  2. Step 2: Convert to fraction form
    159,567.03/220,203.52 = 87,947.06/x
  3. Step 3: Cross multiply
    159,567.03x = 220,203.52 × 87,947.06
  4. Step 4: Simplify right side
    159,567.03x = 19,366,250,864.77
  5. Step 5: Solve for x
    x = 19,366,250,864.77/159,567.03
  6. Step 6: Final answer
    x = 121,367.50

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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.