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Finding the Fourth Proportional to 178,055.41, 245,730.11 and 101,576.19

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Solution

The fourth proportional to 178,055.41, 245,730.11 and 101,576.19 is: 140,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,055.41 : 245,730.11 = 101,576.19 : x
  2. Step 2: Convert to fraction form
    178,055.41/245,730.11 = 101,576.19/x
  3. Step 3: Cross multiply
    178,055.41x = 245,730.11 × 101,576.19
  4. Step 4: Simplify right side
    178,055.41x = 24,960,328,342.08
  5. Step 5: Solve for x
    x = 24,960,328,342.08/178,055.41
  6. Step 6: Final answer
    x = 140,182.93

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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.