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Finding the Fourth Proportional to 169,283.44, 233,613.50 and 92,809.72

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Solution

The fourth proportional to 169,283.44, 233,613.50 and 92,809.72 is: 128,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,283.44 : 233,613.50 = 92,809.72 : x
  2. Step 2: Convert to fraction form
    169,283.44/233,613.50 = 92,809.72/x
  3. Step 3: Cross multiply
    169,283.44x = 233,613.50 × 92,809.72
  4. Step 4: Simplify right side
    169,283.44x = 21,681,603,523.22
  5. Step 5: Solve for x
    x = 21,681,603,523.22/169,283.44
  6. Step 6: Final answer
    x = 128,078.70

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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.