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Finding the Fourth Proportional to 152,253.54, 228,046.86 and 77,244.84

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Solution

The fourth proportional to 152,253.54, 228,046.86 and 77,244.84 is: 115,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,253.54 : 228,046.86 = 77,244.84 : x
  2. Step 2: Convert to fraction form
    152,253.54/228,046.86 = 77,244.84/x
  3. Step 3: Cross multiply
    152,253.54x = 228,046.86 × 77,244.84
  4. Step 4: Simplify right side
    152,253.54x = 17,615,443,213.20
  5. Step 5: Solve for x
    x = 17,615,443,213.20/152,253.54
  6. Step 6: Final answer
    x = 115,698.09

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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.