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Finding the Fourth Proportional to 117,577.61, 162,258.29 and 63,863.68

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Solution

The fourth proportional to 117,577.61, 162,258.29 and 63,863.68 is: 88,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,577.61 : 162,258.29 = 63,863.68 : x
  2. Step 2: Convert to fraction form
    117,577.61/162,258.29 = 63,863.68/x
  3. Step 3: Cross multiply
    117,577.61x = 162,258.29 × 63,863.68
  4. Step 4: Simplify right side
    117,577.61x = 10,362,411,509.91
  5. Step 5: Solve for x
    x = 10,362,411,509.91/117,577.61
  6. Step 6: Final answer
    x = 88,132.52

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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.