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Finding the Fourth Proportional to 166,575.40, 249,920.70 and 160,815.40

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Solution

The fourth proportional to 166,575.40, 249,920.70 and 160,815.40 is: 241,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,575.40 : 249,920.70 = 160,815.40 : x
  2. Step 2: Convert to fraction form
    166,575.40/249,920.70 = 160,815.40/x
  3. Step 3: Cross multiply
    166,575.40x = 249,920.70 × 160,815.40
  4. Step 4: Simplify right side
    166,575.40x = 40,191,097,338.78
  5. Step 5: Solve for x
    x = 40,191,097,338.78/166,575.40
  6. Step 6: Final answer
    x = 241,278.71

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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.