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Finding the Fourth Proportional to 152,444.80, 228,926.40 and 113,046.40

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Solution

The fourth proportional to 152,444.80, 228,926.40 and 113,046.40 is: 169,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,444.80 : 228,926.40 = 113,046.40 : x
  2. Step 2: Convert to fraction form
    152,444.80/228,926.40 = 113,046.40/x
  3. Step 3: Cross multiply
    152,444.80x = 228,926.40 × 113,046.40
  4. Step 4: Simplify right side
    152,444.80x = 25,879,305,384.96
  5. Step 5: Solve for x
    x = 25,879,305,384.96/152,444.80
  6. Step 6: Final answer
    x = 169,761.81

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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.