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Finding the Fourth Proportional to 166,502.40, 249,753.60 and 61,307.70

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Solution

The fourth proportional to 166,502.40, 249,753.60 and 61,307.70 is: 91,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502.40 : 249,753.60 = 61,307.70 : x
  2. Step 2: Convert to fraction form
    166,502.40/249,753.60 = 61,307.70/x
  3. Step 3: Cross multiply
    166,502.40x = 249,753.60 × 61,307.70
  4. Step 4: Simplify right side
    166,502.40x = 15,311,818,782.72
  5. Step 5: Solve for x
    x = 15,311,818,782.72/166,502.40
  6. Step 6: Final answer
    x = 91,961.55

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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.