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Finding the Fourth Proportional to 272,887.92, 376,585.96 and 158,188.72

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Solution

The fourth proportional to 272,887.92, 376,585.96 and 158,188.72 is: 218,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,887.92 : 376,585.96 = 158,188.72 : x
  2. Step 2: Convert to fraction form
    272,887.92/376,585.96 = 158,188.72/x
  3. Step 3: Cross multiply
    272,887.92x = 376,585.96 × 158,188.72
  4. Step 4: Simplify right side
    272,887.92x = 59,571,650,982.37
  5. Step 5: Solve for x
    x = 59,571,650,982.37/272,887.92
  6. Step 6: Final answer
    x = 218,300.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.