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Finding the Fourth Proportional to 178,010.66, 245,656.24 and 101,533.64

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Solution

The fourth proportional to 178,010.66, 245,656.24 and 101,533.64 is: 140,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,010.66 : 245,656.24 = 101,533.64 : x
  2. Step 2: Convert to fraction form
    178,010.66/245,656.24 = 101,533.64/x
  3. Step 3: Cross multiply
    178,010.66x = 245,656.24 × 101,533.64
  4. Step 4: Simplify right side
    178,010.66x = 24,942,372,235.91
  5. Step 5: Solve for x
    x = 24,942,372,235.91/178,010.66
  6. Step 6: Final answer
    x = 140,117.30

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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.