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Finding the Fourth Proportional to 60,230.80, 90,346.20 and 30,706.30

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Solution

The fourth proportional to 60,230.80, 90,346.20 and 30,706.30 is: 46,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,230.80 : 90,346.20 = 30,706.30 : x
  2. Step 2: Convert to fraction form
    60,230.80/90,346.20 = 30,706.30/x
  3. Step 3: Cross multiply
    60,230.80x = 90,346.20 × 30,706.30
  4. Step 4: Simplify right side
    60,230.80x = 2,774,197,521.06
  5. Step 5: Solve for x
    x = 2,774,197,521.06/60,230.80
  6. Step 6: Final answer
    x = 46,059.45

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Similar ratio
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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.