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Finding the Fourth Proportional to 316,100.40, 474,150.60 and 166,282.80

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Solution

The fourth proportional to 316,100.40, 474,150.60 and 166,282.80 is: 249,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,100.40 : 474,150.60 = 166,282.80 : x
  2. Step 2: Convert to fraction form
    316,100.40/474,150.60 = 166,282.80/x
  3. Step 3: Cross multiply
    316,100.40x = 474,150.60 × 166,282.80
  4. Step 4: Simplify right side
    316,100.40x = 78,843,089,389.68
  5. Step 5: Solve for x
    x = 78,843,089,389.68/316,100.40
  6. Step 6: Final answer
    x = 249,424.20

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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.