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Finding the Fourth Proportional to 252,179.74, 348,008.05 and 139,004.94

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Solution

The fourth proportional to 252,179.74, 348,008.05 and 139,004.94 is: 191,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,179.74 : 348,008.05 = 139,004.94 : x
  2. Step 2: Convert to fraction form
    252,179.74/348,008.05 = 139,004.94/x
  3. Step 3: Cross multiply
    252,179.74x = 348,008.05 × 139,004.94
  4. Step 4: Simplify right side
    252,179.74x = 48,374,838,109.77
  5. Step 5: Solve for x
    x = 48,374,838,109.77/252,179.74
  6. Step 6: Final answer
    x = 191,826.82

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1.5x scale

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.