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Finding the Fourth Proportional to 166,305.40, 249,150.90 and 155,246.20

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Solution

The fourth proportional to 166,305.40, 249,150.90 and 155,246.20 is: 232,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,305.40 : 249,150.90 = 155,246.20 : x
  2. Step 2: Convert to fraction form
    166,305.40/249,150.90 = 155,246.20/x
  3. Step 3: Cross multiply
    166,305.40x = 249,150.90 × 155,246.20
  4. Step 4: Simplify right side
    166,305.40x = 38,679,730,451.58
  5. Step 5: Solve for x
    x = 38,679,730,451.58/166,305.40
  6. Step 6: Final answer
    x = 232,582.53

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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.