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Finding the Fourth Proportional to 187,366.95, 280,918.98 and 69,023.10

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Solution

The fourth proportional to 187,366.95, 280,918.98 and 69,023.10 is: 103,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,366.95 : 280,918.98 = 69,023.10 : x
  2. Step 2: Convert to fraction form
    187,366.95/280,918.98 = 69,023.10/x
  3. Step 3: Cross multiply
    187,366.95x = 280,918.98 × 69,023.10
  4. Step 4: Simplify right side
    187,366.95x = 19,389,898,848.44
  5. Step 5: Solve for x
    x = 19,389,898,848.44/187,366.95
  6. Step 6: Final answer
    x = 103,486.23

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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.