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Finding the Fourth Proportional to 178,403.76, 246,193.50 and 110,402.64

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Solution

The fourth proportional to 178,403.76, 246,193.50 and 110,402.64 is: 152,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,403.76 : 246,193.50 = 110,402.64 : x
  2. Step 2: Convert to fraction form
    178,403.76/246,193.50 = 110,402.64/x
  3. Step 3: Cross multiply
    178,403.76x = 246,193.50 × 110,402.64
  4. Step 4: Simplify right side
    178,403.76x = 27,180,412,350.84
  5. Step 5: Solve for x
    x = 27,180,412,350.84/178,403.76
  6. Step 6: Final answer
    x = 152,353.36

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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.