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Finding the Fourth Proportional to 166,622.97, 249,939.23 and 65,416.83

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Solution

The fourth proportional to 166,622.97, 249,939.23 and 65,416.83 is: 98,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,622.97 : 249,939.23 = 65,416.83 : x
  2. Step 2: Convert to fraction form
    166,622.97/249,939.23 = 65,416.83/x
  3. Step 3: Cross multiply
    166,622.97x = 249,939.23 × 65,416.83
  4. Step 4: Simplify right side
    166,622.97x = 16,350,232,119.24
  5. Step 5: Solve for x
    x = 16,350,232,119.24/166,622.97
  6. Step 6: Final answer
    x = 98,127.12

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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.