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Finding the Fourth Proportional to 125,255.16, 187,913.88 and 36,509.45

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Solution

The fourth proportional to 125,255.16, 187,913.88 and 36,509.45 is: 54,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,255.16 : 187,913.88 = 36,509.45 : x
  2. Step 2: Convert to fraction form
    125,255.16/187,913.88 = 36,509.45/x
  3. Step 3: Cross multiply
    125,255.16x = 187,913.88 × 36,509.45
  4. Step 4: Simplify right side
    125,255.16x = 6,860,631,466.60
  5. Step 5: Solve for x
    x = 6,860,631,466.60/125,255.16
  6. Step 6: Final answer
    x = 54,773.24

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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.