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Finding the Fourth Proportional to 181,702.94, 250,747.56 and 101,130.50

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Solution

The fourth proportional to 181,702.94, 250,747.56 and 101,130.50 is: 139,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,702.94 : 250,747.56 = 101,130.50 : x
  2. Step 2: Convert to fraction form
    181,702.94/250,747.56 = 101,130.50/x
  3. Step 3: Cross multiply
    181,702.94x = 250,747.56 × 101,130.50
  4. Step 4: Simplify right side
    181,702.94x = 25,358,226,743.45
  5. Step 5: Solve for x
    x = 25,358,226,743.45/181,702.94
  6. Step 6: Final answer
    x = 139,558.71

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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.