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Finding the Fourth Proportional to 191,858.93, 287,624.27 and 73,615.13

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Solution

The fourth proportional to 191,858.93, 287,624.27 and 73,615.13 is: 110,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,858.93 : 287,624.27 = 73,615.13 : x
  2. Step 2: Convert to fraction form
    191,858.93/287,624.27 = 73,615.13/x
  3. Step 3: Cross multiply
    191,858.93x = 287,624.27 × 73,615.13
  4. Step 4: Simplify right side
    191,858.93x = 21,173,498,027.21
  5. Step 5: Solve for x
    x = 21,173,498,027.21/191,858.93
  6. Step 6: Final answer
    x = 110,359.72

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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.