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Finding the Fourth Proportional to 121,023.99, 167,000.31 and 67,300.32

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Solution

The fourth proportional to 121,023.99, 167,000.31 and 67,300.32 is: 92,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,023.99 : 167,000.31 = 67,300.32 : x
  2. Step 2: Convert to fraction form
    121,023.99/167,000.31 = 67,300.32/x
  3. Step 3: Cross multiply
    121,023.99x = 167,000.31 × 67,300.32
  4. Step 4: Simplify right side
    121,023.99x = 11,239,174,303.10
  5. Step 5: Solve for x
    x = 11,239,174,303.10/121,023.99
  6. Step 6: Final answer
    x = 92,867.33

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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.