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Finding the Fourth Proportional to 158,392.17, 236,997.74 and 156,620.70

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Solution

The fourth proportional to 158,392.17, 236,997.74 and 156,620.70 is: 234,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,392.17 : 236,997.74 = 156,620.70 : x
  2. Step 2: Convert to fraction form
    158,392.17/236,997.74 = 156,620.70/x
  3. Step 3: Cross multiply
    158,392.17x = 236,997.74 × 156,620.70
  4. Step 4: Simplify right side
    158,392.17x = 37,118,751,154.11
  5. Step 5: Solve for x
    x = 37,118,751,154.11/158,392.17
  6. Step 6: Final answer
    x = 234,347.13

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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.