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Finding the Fourth Proportional to 166,124.90, 249,223.80 and 53,810.30

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Solution

The fourth proportional to 166,124.90, 249,223.80 and 53,810.30 is: 80,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,124.90 : 249,223.80 = 53,810.30 : x
  2. Step 2: Convert to fraction form
    166,124.90/249,223.80 = 53,810.30/x
  3. Step 3: Cross multiply
    166,124.90x = 249,223.80 × 53,810.30
  4. Step 4: Simplify right side
    166,124.90x = 13,410,807,445.14
  5. Step 5: Solve for x
    x = 13,410,807,445.14/166,124.90
  6. Step 6: Final answer
    x = 80,727.26

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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.