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Finding the Fourth Proportional to 163,614.56, 245,421.72 and 52,806.56

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Solution

The fourth proportional to 163,614.56, 245,421.72 and 52,806.56 is: 79,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,614.56 : 245,421.72 = 52,806.56 : x
  2. Step 2: Convert to fraction form
    163,614.56/245,421.72 = 52,806.56/x
  3. Step 3: Cross multiply
    163,614.56x = 245,421.72 × 52,806.56
  4. Step 4: Simplify right side
    163,614.56x = 12,959,876,782.48
  5. Step 5: Solve for x
    x = 12,959,876,782.48/163,614.56
  6. Step 6: Final answer
    x = 79,209.80

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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.