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Finding the Fourth Proportional to 169,920.32, 254,864.00 and 51,592.68

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Solution

The fourth proportional to 169,920.32, 254,864.00 and 51,592.68 is: 77,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,920.32 : 254,864.00 = 51,592.68 : x
  2. Step 2: Convert to fraction form
    169,920.32/254,864.00 = 51,592.68/x
  3. Step 3: Cross multiply
    169,920.32x = 254,864.00 × 51,592.68
  4. Step 4: Simplify right side
    169,920.32x = 13,149,116,924.50
  5. Step 5: Solve for x
    x = 13,149,116,924.50/169,920.32
  6. Step 6: Final answer
    x = 77,384.02

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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.