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Finding the Fourth Proportional to 191,874.30, 287,811.45 and 175,544.70

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Solution

The fourth proportional to 191,874.30, 287,811.45 and 175,544.70 is: 263,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,874.30 : 287,811.45 = 175,544.70 : x
  2. Step 2: Convert to fraction form
    191,874.30/287,811.45 = 175,544.70/x
  3. Step 3: Cross multiply
    191,874.30x = 287,811.45 × 175,544.70
  4. Step 4: Simplify right side
    191,874.30x = 50,523,774,646.82
  5. Step 5: Solve for x
    x = 50,523,774,646.82/191,874.30
  6. Step 6: Final answer
    x = 263,317.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.