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Finding the Fourth Proportional to 125,762.55, 188,662.59 and 41,531.64

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Solution

The fourth proportional to 125,762.55, 188,662.59 and 41,531.64 is: 62,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,762.55 : 188,662.59 = 41,531.64 : x
  2. Step 2: Convert to fraction form
    125,762.55/188,662.59 = 41,531.64/x
  3. Step 3: Cross multiply
    125,762.55x = 188,662.59 × 41,531.64
  4. Step 4: Simplify right side
    125,762.55x = 7,835,466,769.35
  5. Step 5: Solve for x
    x = 7,835,466,769.35/125,762.55
  6. Step 6: Final answer
    x = 62,303.66

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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.