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Finding the Fourth Proportional to 169,364.40, 233,615.52 and 108,830.88

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Solution

The fourth proportional to 169,364.40, 233,615.52 and 108,830.88 is: 150,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,364.40 : 233,615.52 = 108,830.88 : x
  2. Step 2: Convert to fraction form
    169,364.40/233,615.52 = 108,830.88/x
  3. Step 3: Cross multiply
    169,364.40x = 233,615.52 × 108,830.88
  4. Step 4: Simplify right side
    169,364.40x = 25,424,582,623.26
  5. Step 5: Solve for x
    x = 25,424,582,623.26/169,364.40
  6. Step 6: Final answer
    x = 150,117.63

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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.