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Finding the Fourth Proportional to 166,248.80, 249,200.40 and 91,253.60

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Solution

The fourth proportional to 166,248.80, 249,200.40 and 91,253.60 is: 136,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,248.80 : 249,200.40 = 91,253.60 : x
  2. Step 2: Convert to fraction form
    166,248.80/249,200.40 = 91,253.60/x
  3. Step 3: Cross multiply
    166,248.80x = 249,200.40 × 91,253.60
  4. Step 4: Simplify right side
    166,248.80x = 22,740,433,621.44
  5. Step 5: Solve for x
    x = 22,740,433,621.44/166,248.80
  6. Step 6: Final answer
    x = 136,785.55

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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.