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Finding the Fourth Proportional to 166,412.40, 249,618.60 and 160,191.60

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Solution

The fourth proportional to 166,412.40, 249,618.60 and 160,191.60 is: 240,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,412.40 : 249,618.60 = 160,191.60 : x
  2. Step 2: Convert to fraction form
    166,412.40/249,618.60 = 160,191.60/x
  3. Step 3: Cross multiply
    166,412.40x = 249,618.60 × 160,191.60
  4. Step 4: Simplify right side
    166,412.40x = 39,986,802,923.76
  5. Step 5: Solve for x
    x = 39,986,802,923.76/166,412.40
  6. Step 6: Final answer
    x = 240,287.40

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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.