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Finding the Fourth Proportional to 158,962.01, 219,367.52 and 87,346.64

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Solution

The fourth proportional to 158,962.01, 219,367.52 and 87,346.64 is: 120,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,962.01 : 219,367.52 = 87,346.64 : x
  2. Step 2: Convert to fraction form
    158,962.01/219,367.52 = 87,346.64/x
  3. Step 3: Cross multiply
    158,962.01x = 219,367.52 × 87,346.64
  4. Step 4: Simplify right side
    158,962.01x = 19,161,014,263.56
  5. Step 5: Solve for x
    x = 19,161,014,263.56/158,962.01
  6. Step 6: Final answer
    x = 120,538.33

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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.