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Finding the Fourth Proportional to 166,458.48, 249,712.60 and 61,269.46

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Solution

The fourth proportional to 166,458.48, 249,712.60 and 61,269.46 is: 91,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,458.48 : 249,712.60 = 61,269.46 : x
  2. Step 2: Convert to fraction form
    166,458.48/249,712.60 = 61,269.46/x
  3. Step 3: Cross multiply
    166,458.48x = 249,712.60 × 61,269.46
  4. Step 4: Simplify right side
    166,458.48x = 15,299,756,157.20
  5. Step 5: Solve for x
    x = 15,299,756,157.20/166,458.48
  6. Step 6: Final answer
    x = 91,913.35

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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.