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Finding the Fourth Proportional to 178,866.17, 246,830.34 and 98,293.67

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Solution

The fourth proportional to 178,866.17, 246,830.34 and 98,293.67 is: 135,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,866.17 : 246,830.34 = 98,293.67 : x
  2. Step 2: Convert to fraction form
    178,866.17/246,830.34 = 98,293.67/x
  3. Step 3: Cross multiply
    178,866.17x = 246,830.34 × 98,293.67
  4. Step 4: Simplify right side
    178,866.17x = 24,261,859,985.95
  5. Step 5: Solve for x
    x = 24,261,859,985.95/178,866.17
  6. Step 6: Final answer
    x = 135,642.53

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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.