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Finding the Fourth Proportional to 155,561.40, 233,082.90 and 146,230.20

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Solution

The fourth proportional to 155,561.40, 233,082.90 and 146,230.20 is: 219,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,561.40 : 233,082.90 = 146,230.20 : x
  2. Step 2: Convert to fraction form
    155,561.40/233,082.90 = 146,230.20/x
  3. Step 3: Cross multiply
    155,561.40x = 233,082.90 × 146,230.20
  4. Step 4: Simplify right side
    155,561.40x = 34,083,759,083.58
  5. Step 5: Solve for x
    x = 34,083,759,083.58/155,561.40
  6. Step 6: Final answer
    x = 219,101.65

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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.