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Finding the Fourth Proportional to 191,560.32, 264,334.32 and 106,685.28

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Solution

The fourth proportional to 191,560.32, 264,334.32 and 106,685.28 is: 147,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,560.32 : 264,334.32 = 106,685.28 : x
  2. Step 2: Convert to fraction form
    191,560.32/264,334.32 = 106,685.28/x
  3. Step 3: Cross multiply
    191,560.32x = 264,334.32 × 106,685.28
  4. Step 4: Simplify right side
    191,560.32x = 28,200,580,942.81
  5. Step 5: Solve for x
    x = 28,200,580,942.81/191,560.32
  6. Step 6: Final answer
    x = 147,215.15

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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.