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Finding the Fourth Proportional to 178,030.76, 245,603.94 and 106,374.92

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Solution

The fourth proportional to 178,030.76, 245,603.94 and 106,374.92 is: 146,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,030.76 : 245,603.94 = 106,374.92 : x
  2. Step 2: Convert to fraction form
    178,030.76/245,603.94 = 106,374.92/x
  3. Step 3: Cross multiply
    178,030.76x = 245,603.94 × 106,374.92
  4. Step 4: Simplify right side
    178,030.76x = 26,126,099,469.18
  5. Step 5: Solve for x
    x = 26,126,099,469.18/178,030.76
  6. Step 6: Final answer
    x = 146,750.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.