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Finding the Fourth Proportional to 125,799.96, 188,693.78 and 46,908.02

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Solution

The fourth proportional to 125,799.96, 188,693.78 and 46,908.02 is: 70,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,799.96 : 188,693.78 = 46,908.02 : x
  2. Step 2: Convert to fraction form
    125,799.96/188,693.78 = 46,908.02/x
  3. Step 3: Cross multiply
    125,799.96x = 188,693.78 × 46,908.02
  4. Step 4: Simplify right side
    125,799.96x = 8,851,250,428.11
  5. Step 5: Solve for x
    x = 8,851,250,428.11/125,799.96
  6. Step 6: Final answer
    x = 70,359.72

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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.