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Finding the Fourth Proportional to 166,532.40, 249,712.20 and 61,297.20

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Solution

The fourth proportional to 166,532.40, 249,712.20 and 61,297.20 is: 91,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,532.40 : 249,712.20 = 61,297.20 : x
  2. Step 2: Convert to fraction form
    166,532.40/249,712.20 = 61,297.20/x
  3. Step 3: Cross multiply
    166,532.40x = 249,712.20 × 61,297.20
  4. Step 4: Simplify right side
    166,532.40x = 15,306,658,665.84
  5. Step 5: Solve for x
    x = 15,306,658,665.84/166,532.40
  6. Step 6: Final answer
    x = 91,914.00

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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.