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Finding the Fourth Proportional to 171,035.65, 256,553.48 and 166,114.90

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Solution

The fourth proportional to 171,035.65, 256,553.48 and 166,114.90 is: 249,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035.65 : 256,553.48 = 166,114.90 : x
  2. Step 2: Convert to fraction form
    171,035.65/256,553.48 = 166,114.90/x
  3. Step 3: Cross multiply
    171,035.65x = 256,553.48 × 166,114.90
  4. Step 4: Simplify right side
    171,035.65x = 42,617,355,674.85
  5. Step 5: Solve for x
    x = 42,617,355,674.85/171,035.65
  6. Step 6: Final answer
    x = 249,172.35

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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.