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Finding the Fourth Proportional to 167,111.93, 230,613.51 and 90,630.26

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Solution

The fourth proportional to 167,111.93, 230,613.51 and 90,630.26 is: 125,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,111.93 : 230,613.51 = 90,630.26 : x
  2. Step 2: Convert to fraction form
    167,111.93/230,613.51 = 90,630.26/x
  3. Step 3: Cross multiply
    167,111.93x = 230,613.51 × 90,630.26
  4. Step 4: Simplify right side
    167,111.93x = 20,900,562,370.81
  5. Step 5: Solve for x
    x = 20,900,562,370.81/167,111.93
  6. Step 6: Final answer
    x = 125,069.24

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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.