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Finding the Fourth Proportional to 188,466.72, 282,795.76 and 125,330.76

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Solution

The fourth proportional to 188,466.72, 282,795.76 and 125,330.76 is: 188,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,466.72 : 282,795.76 = 125,330.76 : x
  2. Step 2: Convert to fraction form
    188,466.72/282,795.76 = 125,330.76/x
  3. Step 3: Cross multiply
    188,466.72x = 282,795.76 × 125,330.76
  4. Step 4: Simplify right side
    188,466.72x = 35,443,007,525.58
  5. Step 5: Solve for x
    x = 35,443,007,525.58/188,466.72
  6. Step 6: Final answer
    x = 188,059.77

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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.