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Finding the Fourth Proportional to 117,572.51, 162,228.96 and 69,837.59

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Solution

The fourth proportional to 117,572.51, 162,228.96 and 69,837.59 is: 96,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,572.51 : 162,228.96 = 69,837.59 : x
  2. Step 2: Convert to fraction form
    117,572.51/162,228.96 = 69,837.59/x
  3. Step 3: Cross multiply
    117,572.51x = 162,228.96 × 69,837.59
  4. Step 4: Simplify right side
    117,572.51x = 11,329,679,594.61
  5. Step 5: Solve for x
    x = 11,329,679,594.61/117,572.51
  6. Step 6: Final answer
    x = 96,363.34

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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.