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Finding the Fourth Proportional to 272,775.92, 376,442.44 and 151,917.19

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Solution

The fourth proportional to 272,775.92, 376,442.44 and 151,917.19 is: 209,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,775.92 : 376,442.44 = 151,917.19 : x
  2. Step 2: Convert to fraction form
    272,775.92/376,442.44 = 151,917.19/x
  3. Step 3: Cross multiply
    272,775.92x = 376,442.44 × 151,917.19
  4. Step 4: Simplify right side
    272,775.92x = 57,188,076,360.64
  5. Step 5: Solve for x
    x = 57,188,076,360.64/272,775.92
  6. Step 6: Final answer
    x = 209,652.22

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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.