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Finding the Fourth Proportional to 180,773.99, 249,458.97 and 100,200.66

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Solution

The fourth proportional to 180,773.99, 249,458.97 and 100,200.66 is: 138,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,773.99 : 249,458.97 = 100,200.66 : x
  2. Step 2: Convert to fraction form
    180,773.99/249,458.97 = 100,200.66/x
  3. Step 3: Cross multiply
    180,773.99x = 249,458.97 × 100,200.66
  4. Step 4: Simplify right side
    180,773.99x = 24,995,953,436.92
  5. Step 5: Solve for x
    x = 24,995,953,436.92/180,773.99
  6. Step 6: Final answer
    x = 138,271.85

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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.