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Finding the Fourth Proportional to 166,365.70, 249,548.55 and 61,162.90

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Solution

The fourth proportional to 166,365.70, 249,548.55 and 61,162.90 is: 91,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,365.70 : 249,548.55 = 61,162.90 : x
  2. Step 2: Convert to fraction form
    166,365.70/249,548.55 = 61,162.90/x
  3. Step 3: Cross multiply
    166,365.70x = 249,548.55 × 61,162.90
  4. Step 4: Simplify right side
    166,365.70x = 15,263,113,008.80
  5. Step 5: Solve for x
    x = 15,263,113,008.80/166,365.70
  6. Step 6: Final answer
    x = 91,744.35

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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.