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Finding the Fourth Proportional to 166,069.70, 249,104.55 and 142,741.70

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Solution

The fourth proportional to 166,069.70, 249,104.55 and 142,741.70 is: 214,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,069.70 : 249,104.55 = 142,741.70 : x
  2. Step 2: Convert to fraction form
    166,069.70/249,104.55 = 142,741.70/x
  3. Step 3: Cross multiply
    166,069.70x = 249,104.55 × 142,741.70
  4. Step 4: Simplify right side
    166,069.70x = 35,557,606,944.74
  5. Step 5: Solve for x
    x = 35,557,606,944.74/166,069.70
  6. Step 6: Final answer
    x = 214,112.55

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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.