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Finding the Fourth Proportional to 151,372, 208,545.60 and 119,529.28

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Solution

The fourth proportional to 151,372, 208,545.60 and 119,529.28 is: 164,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,372 : 208,545.60 = 119,529.28 : x
  2. Step 2: Convert to fraction form
    151,372/208,545.60 = 119,529.28/x
  3. Step 3: Cross multiply
    151,372x = 208,545.60 × 119,529.28
  4. Step 4: Simplify right side
    151,372x = 24,927,305,415.17
  5. Step 5: Solve for x
    x = 24,927,305,415.17/151,372
  6. Step 6: Final answer
    x = 164,675.80

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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.