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Finding the Fourth Proportional to 191,062.64, 263,671.80 and 110,482.40

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Solution

The fourth proportional to 191,062.64, 263,671.80 and 110,482.40 is: 152,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,062.64 : 263,671.80 = 110,482.40 : x
  2. Step 2: Convert to fraction form
    191,062.64/263,671.80 = 110,482.40/x
  3. Step 3: Cross multiply
    191,062.64x = 263,671.80 × 110,482.40
  4. Step 4: Simplify right side
    191,062.64x = 29,131,093,276.32
  5. Step 5: Solve for x
    x = 29,131,093,276.32/191,062.64
  6. Step 6: Final answer
    x = 152,468.81

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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.