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Finding the Fourth Proportional to 191,759.41, 287,612.43 and 101,762.74

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Solution

The fourth proportional to 191,759.41, 287,612.43 and 101,762.74 is: 152,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,759.41 : 287,612.43 = 101,762.74 : x
  2. Step 2: Convert to fraction form
    191,759.41/287,612.43 = 101,762.74/x
  3. Step 3: Cross multiply
    191,759.41x = 287,612.43 × 101,762.74
  4. Step 4: Simplify right side
    191,759.41x = 29,268,228,934.86
  5. Step 5: Solve for x
    x = 29,268,228,934.86/191,759.41
  6. Step 6: Final answer
    x = 152,629.95

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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.