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Finding the Fourth Proportional to 125,293.50, 187,936.61 and 46,405.98

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Solution

The fourth proportional to 125,293.50, 187,936.61 and 46,405.98 is: 69,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,293.50 : 187,936.61 = 46,405.98 : x
  2. Step 2: Convert to fraction form
    125,293.50/187,936.61 = 46,405.98/x
  3. Step 3: Cross multiply
    125,293.50x = 187,936.61 × 46,405.98
  4. Step 4: Simplify right side
    125,293.50x = 8,721,382,332.90
  5. Step 5: Solve for x
    x = 8,721,382,332.90/125,293.50
  6. Step 6: Final answer
    x = 69,607.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.