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Finding the Fourth Proportional to 166,101.80, 249,079.80 and 66,228.80

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Solution

The fourth proportional to 166,101.80, 249,079.80 and 66,228.80 is: 99,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,101.80 : 249,079.80 = 66,228.80 : x
  2. Step 2: Convert to fraction form
    166,101.80/249,079.80 = 66,228.80/x
  3. Step 3: Cross multiply
    166,101.80x = 249,079.80 × 66,228.80
  4. Step 4: Simplify right side
    166,101.80x = 16,496,256,258.24
  5. Step 5: Solve for x
    x = 16,496,256,258.24/166,101.80
  6. Step 6: Final answer
    x = 99,314.13

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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.