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Finding the Fourth Proportional to 153,565.56, 230,415.27 and 53,797.32

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Solution

The fourth proportional to 153,565.56, 230,415.27 and 53,797.32 is: 80,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,565.56 : 230,415.27 = 53,797.32 : x
  2. Step 2: Convert to fraction form
    153,565.56/230,415.27 = 53,797.32/x
  3. Step 3: Cross multiply
    153,565.56x = 230,415.27 × 53,797.32
  4. Step 4: Simplify right side
    153,565.56x = 12,395,724,013.08
  5. Step 5: Solve for x
    x = 12,395,724,013.08/153,565.56
  6. Step 6: Final answer
    x = 80,719.43

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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.