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Finding the Fourth Proportional to 163,613.56, 245,420.22 and 52,805.56

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Solution

The fourth proportional to 163,613.56, 245,420.22 and 52,805.56 is: 79,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,613.56 : 245,420.22 = 52,805.56 : x
  2. Step 2: Convert to fraction form
    163,613.56/245,420.22 = 52,805.56/x
  3. Step 3: Cross multiply
    163,613.56x = 245,420.22 × 52,805.56
  4. Step 4: Simplify right side
    163,613.56x = 12,959,552,152.42
  5. Step 5: Solve for x
    x = 12,959,552,152.42/163,613.56
  6. Step 6: Final answer
    x = 79,208.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.