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Finding the Fourth Proportional to 191,750.08, 287,754.72 and 67,092.16

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Solution

The fourth proportional to 191,750.08, 287,754.72 and 67,092.16 is: 100,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,750.08 : 287,754.72 = 67,092.16 : x
  2. Step 2: Convert to fraction form
    191,750.08/287,754.72 = 67,092.16/x
  3. Step 3: Cross multiply
    191,750.08x = 287,754.72 × 67,092.16
  4. Step 4: Simplify right side
    191,750.08x = 19,306,085,715.00
  5. Step 5: Solve for x
    x = 19,306,085,715.00/191,750.08
  6. Step 6: Final answer
    x = 100,683.59

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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.