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Finding the Fourth Proportional to 169,422.08, 233,802.60 and 93,971.12

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Solution

The fourth proportional to 169,422.08, 233,802.60 and 93,971.12 is: 129,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,422.08 : 233,802.60 = 93,971.12 : x
  2. Step 2: Convert to fraction form
    169,422.08/233,802.60 = 93,971.12/x
  3. Step 3: Cross multiply
    169,422.08x = 233,802.60 × 93,971.12
  4. Step 4: Simplify right side
    169,422.08x = 21,970,692,180.91
  5. Step 5: Solve for x
    x = 21,970,692,180.91/169,422.08
  6. Step 6: Final answer
    x = 129,680.22

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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.