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Finding the Fourth Proportional to 191,497.02, 287,294.13 and 73,156.02

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Solution

The fourth proportional to 191,497.02, 287,294.13 and 73,156.02 is: 109,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,497.02 : 287,294.13 = 73,156.02 : x
  2. Step 2: Convert to fraction form
    191,497.02/287,294.13 = 73,156.02/x
  3. Step 3: Cross multiply
    191,497.02x = 287,294.13 × 73,156.02
  4. Step 4: Simplify right side
    191,497.02x = 21,017,295,120.16
  5. Step 5: Solve for x
    x = 21,017,295,120.16/191,497.02
  6. Step 6: Final answer
    x = 109,752.60

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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.