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Finding the Fourth Proportional to 191,887.04, 287,832.36 and 73,530.20

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Solution

The fourth proportional to 191,887.04, 287,832.36 and 73,530.20 is: 110,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,887.04 : 287,832.36 = 73,530.20 : x
  2. Step 2: Convert to fraction form
    191,887.04/287,832.36 = 73,530.20/x
  3. Step 3: Cross multiply
    191,887.04x = 287,832.36 × 73,530.20
  4. Step 4: Simplify right side
    191,887.04x = 21,164,370,997.27
  5. Step 5: Solve for x
    x = 21,164,370,997.27/191,887.04
  6. Step 6: Final answer
    x = 110,295.99

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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.