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Finding the Fourth Proportional to 166,125.90, 249,225.30 and 53,811.30

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Solution

The fourth proportional to 166,125.90, 249,225.30 and 53,811.30 is: 80,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,125.90 : 249,225.30 = 53,811.30 : x
  2. Step 2: Convert to fraction form
    166,125.90/249,225.30 = 53,811.30/x
  3. Step 3: Cross multiply
    166,125.90x = 249,225.30 × 53,811.30
  4. Step 4: Simplify right side
    166,125.90x = 13,411,137,385.89
  5. Step 5: Solve for x
    x = 13,411,137,385.89/166,125.90
  6. Step 6: Final answer
    x = 80,728.76

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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.