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Finding the Fourth Proportional to 169,438.16, 233,799.88 and 97,806.80

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Solution

The fourth proportional to 169,438.16, 233,799.88 and 97,806.80 is: 134,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,438.16 : 233,799.88 = 97,806.80 : x
  2. Step 2: Convert to fraction form
    169,438.16/233,799.88 = 97,806.80/x
  3. Step 3: Cross multiply
    169,438.16x = 233,799.88 × 97,806.80
  4. Step 4: Simplify right side
    169,438.16x = 22,867,218,103.18
  5. Step 5: Solve for x
    x = 22,867,218,103.18/169,438.16
  6. Step 6: Final answer
    x = 134,959.08

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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.