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Finding the Fourth Proportional to 166,477.60, 249,716.40 and 165,440.80

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Solution

The fourth proportional to 166,477.60, 249,716.40 and 165,440.80 is: 248,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,477.60 : 249,716.40 = 165,440.80 : x
  2. Step 2: Convert to fraction form
    166,477.60/249,716.40 = 165,440.80/x
  3. Step 3: Cross multiply
    166,477.60x = 249,716.40 × 165,440.80
  4. Step 4: Simplify right side
    166,477.60x = 41,313,280,989.12
  5. Step 5: Solve for x
    x = 41,313,280,989.12/166,477.60
  6. Step 6: Final answer
    x = 248,161.20

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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.