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Finding the Fourth Proportional to 252,176.94, 348,006.51 and 139,003.74

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Solution

The fourth proportional to 252,176.94, 348,006.51 and 139,003.74 is: 191,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,176.94 : 348,006.51 = 139,003.74 : x
  2. Step 2: Convert to fraction form
    252,176.94/348,006.51 = 139,003.74/x
  3. Step 3: Cross multiply
    252,176.94x = 348,006.51 × 139,003.74
  4. Step 4: Simplify right side
    252,176.94x = 48,374,206,434.35
  5. Step 5: Solve for x
    x = 48,374,206,434.35/252,176.94
  6. Step 6: Final answer
    x = 191,826.45

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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.