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Finding the Fourth Proportional to 153,728.01, 230,619.74 and 69,527.97

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Solution

The fourth proportional to 153,728.01, 230,619.74 and 69,527.97 is: 104,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,728.01 : 230,619.74 = 69,527.97 : x
  2. Step 2: Convert to fraction form
    153,728.01/230,619.74 = 69,527.97/x
  3. Step 3: Cross multiply
    153,728.01x = 230,619.74 × 69,527.97
  4. Step 4: Simplify right side
    153,728.01x = 16,034,522,016.49
  5. Step 5: Solve for x
    x = 16,034,522,016.49/153,728.01
  6. Step 6: Final answer
    x = 104,304.49

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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.