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Finding the Fourth Proportional to 125,800.59, 188,733.69 and 46,915.50

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Solution

The fourth proportional to 125,800.59, 188,733.69 and 46,915.50 is: 70,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,800.59 : 188,733.69 = 46,915.50 : x
  2. Step 2: Convert to fraction form
    125,800.59/188,733.69 = 46,915.50/x
  3. Step 3: Cross multiply
    125,800.59x = 188,733.69 × 46,915.50
  4. Step 4: Simplify right side
    125,800.59x = 8,854,535,433.20
  5. Step 5: Solve for x
    x = 8,854,535,433.20/125,800.59
  6. Step 6: Final answer
    x = 70,385.48

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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.