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Finding the Fourth Proportional to 125,059.86, 187,427.07 and 95,368.50

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Solution

The fourth proportional to 125,059.86, 187,427.07 and 95,368.50 is: 142,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,059.86 : 187,427.07 = 95,368.50 : x
  2. Step 2: Convert to fraction form
    125,059.86/187,427.07 = 95,368.50/x
  3. Step 3: Cross multiply
    125,059.86x = 187,427.07 × 95,368.50
  4. Step 4: Simplify right side
    125,059.86x = 17,874,638,525.30
  5. Step 5: Solve for x
    x = 17,874,638,525.30/125,059.86
  6. Step 6: Final answer
    x = 142,928.66

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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.