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Finding the Fourth Proportional to 117,553.98, 162,223.91 and 63,838.99

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Solution

The fourth proportional to 117,553.98, 162,223.91 and 63,838.99 is: 88,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.98 : 162,223.91 = 63,838.99 : x
  2. Step 2: Convert to fraction form
    117,553.98/162,223.91 = 63,838.99/x
  3. Step 3: Cross multiply
    117,553.98x = 162,223.91 × 63,838.99
  4. Step 4: Simplify right side
    117,553.98x = 10,356,210,137.82
  5. Step 5: Solve for x
    x = 10,356,210,137.82/117,553.98
  6. Step 6: Final answer
    x = 88,097.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.