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Finding the Fourth Proportional to 125,799.72, 188,774.91 and 46,969.31

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Solution

The fourth proportional to 125,799.72, 188,774.91 and 46,969.31 is: 70,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,799.72 : 188,774.91 = 46,969.31 : x
  2. Step 2: Convert to fraction form
    125,799.72/188,774.91 = 46,969.31/x
  3. Step 3: Cross multiply
    125,799.72x = 188,774.91 × 46,969.31
  4. Step 4: Simplify right side
    125,799.72x = 8,866,626,324.14
  5. Step 5: Solve for x
    x = 8,866,626,324.14/125,799.72
  6. Step 6: Final answer
    x = 70,482.08

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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.