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Finding the Fourth Proportional to 117,866.40, 176,799.60 and 94,538.40

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Solution

The fourth proportional to 117,866.40, 176,799.60 and 94,538.40 is: 141,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,866.40 : 176,799.60 = 94,538.40 : x
  2. Step 2: Convert to fraction form
    117,866.40/176,799.60 = 94,538.40/x
  3. Step 3: Cross multiply
    117,866.40x = 176,799.60 × 94,538.40
  4. Step 4: Simplify right side
    117,866.40x = 16,714,351,304.64
  5. Step 5: Solve for x
    x = 16,714,351,304.64/117,866.40
  6. Step 6: Final answer
    x = 141,807.60

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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.