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Finding the Fourth Proportional to 191,356.16, 264,103.88 and 110,832.71

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Solution

The fourth proportional to 191,356.16, 264,103.88 and 110,832.71 is: 152,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,356.16 : 264,103.88 = 110,832.71 : x
  2. Step 2: Convert to fraction form
    191,356.16/264,103.88 = 110,832.71/x
  3. Step 3: Cross multiply
    191,356.16x = 264,103.88 × 110,832.71
  4. Step 4: Simplify right side
    191,356.16x = 29,271,346,867.23
  5. Step 5: Solve for x
    x = 29,271,346,867.23/191,356.16
  6. Step 6: Final answer
    x = 152,967.89

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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.