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Finding the Fourth Proportional to 166,366.80, 249,550.20 and 113,878.80

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Solution

The fourth proportional to 166,366.80, 249,550.20 and 113,878.80 is: 170,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,366.80 : 249,550.20 = 113,878.80 : x
  2. Step 2: Convert to fraction form
    166,366.80/249,550.20 = 113,878.80/x
  3. Step 3: Cross multiply
    166,366.80x = 249,550.20 × 113,878.80
  4. Step 4: Simplify right side
    166,366.80x = 28,418,477,315.76
  5. Step 5: Solve for x
    x = 28,418,477,315.76/166,366.80
  6. Step 6: Final answer
    x = 170,818.20

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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.