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Finding the Fourth Proportional to 125,805.93, 188,702.76 and 46,914.03

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Solution

The fourth proportional to 125,805.93, 188,702.76 and 46,914.03 is: 70,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,805.93 : 188,702.76 = 46,914.03 : x
  2. Step 2: Convert to fraction form
    125,805.93/188,702.76 = 46,914.03/x
  3. Step 3: Cross multiply
    125,805.93x = 188,702.76 × 46,914.03
  4. Step 4: Simplify right side
    125,805.93x = 8,852,806,943.72
  5. Step 5: Solve for x
    x = 8,852,806,943.72/125,805.93
  6. Step 6: Final answer
    x = 70,368.76

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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.