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Finding the Fourth Proportional to 121,248.01, 167,317.92 and 67,530.13

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Solution

The fourth proportional to 121,248.01, 167,317.92 and 67,530.13 is: 93,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,248.01 : 167,317.92 = 67,530.13 : x
  2. Step 2: Convert to fraction form
    121,248.01/167,317.92 = 67,530.13/x
  3. Step 3: Cross multiply
    121,248.01x = 167,317.92 × 67,530.13
  4. Step 4: Simplify right side
    121,248.01x = 11,299,000,888.93
  5. Step 5: Solve for x
    x = 11,299,000,888.93/121,248.01
  6. Step 6: Final answer
    x = 93,189.17

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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.