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Finding the Fourth Proportional to 117,893.40, 176,840.10 and 94,565.40

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Solution

The fourth proportional to 117,893.40, 176,840.10 and 94,565.40 is: 141,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,893.40 : 176,840.10 = 94,565.40 : x
  2. Step 2: Convert to fraction form
    117,893.40/176,840.10 = 94,565.40/x
  3. Step 3: Cross multiply
    117,893.40x = 176,840.10 × 94,565.40
  4. Step 4: Simplify right side
    117,893.40x = 16,722,954,792.54
  5. Step 5: Solve for x
    x = 16,722,954,792.54/117,893.40
  6. Step 6: Final answer
    x = 141,848.10

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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.