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Finding the Fourth Proportional to 191,737.20, 287,605.80 and 173,074.80

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Solution

The fourth proportional to 191,737.20, 287,605.80 and 173,074.80 is: 259,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,737.20 : 287,605.80 = 173,074.80 : x
  2. Step 2: Convert to fraction form
    191,737.20/287,605.80 = 173,074.80/x
  3. Step 3: Cross multiply
    191,737.20x = 287,605.80 × 173,074.80
  4. Step 4: Simplify right side
    191,737.20x = 49,777,316,313.84
  5. Step 5: Solve for x
    x = 49,777,316,313.84/191,737.20
  6. Step 6: Final answer
    x = 259,612.20

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1.5x scale

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.