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Finding the Fourth Proportional to 166,365.80, 249,475.80 and 66,492.80

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Solution

The fourth proportional to 166,365.80, 249,475.80 and 66,492.80 is: 99,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,365.80 : 249,475.80 = 66,492.80 : x
  2. Step 2: Convert to fraction form
    166,365.80/249,475.80 = 66,492.80/x
  3. Step 3: Cross multiply
    166,365.80x = 249,475.80 × 66,492.80
  4. Step 4: Simplify right side
    166,365.80x = 16,588,344,474.24
  5. Step 5: Solve for x
    x = 16,588,344,474.24/166,365.80
  6. Step 6: Final answer
    x = 99,710.06

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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.