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Finding the Fourth Proportional to 191,892.64, 287,839.50 and 73,600.24

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Solution

The fourth proportional to 191,892.64, 287,839.50 and 73,600.24 is: 110,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,892.64 : 287,839.50 = 73,600.24 : x
  2. Step 2: Convert to fraction form
    191,892.64/287,839.50 = 73,600.24/x
  3. Step 3: Cross multiply
    191,892.64x = 287,839.50 × 73,600.24
  4. Step 4: Simplify right side
    191,892.64x = 21,185,056,281.48
  5. Step 5: Solve for x
    x = 21,185,056,281.48/191,892.64
  6. Step 6: Final answer
    x = 110,400.57

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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.