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Finding the Fourth Proportional to 166,510.67, 249,700.25 and 66,652.25

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Solution

The fourth proportional to 166,510.67, 249,700.25 and 66,652.25 is: 99,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,510.67 : 249,700.25 = 66,652.25 : x
  2. Step 2: Convert to fraction form
    166,510.67/249,700.25 = 66,652.25/x
  3. Step 3: Cross multiply
    166,510.67x = 249,700.25 × 66,652.25
  4. Step 4: Simplify right side
    166,510.67x = 16,643,082,406.19
  5. Step 5: Solve for x
    x = 16,643,082,406.19/166,510.67
  6. Step 6: Final answer
    x = 99,952.05

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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.