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Finding the Fourth Proportional to 252,189.94, 348,024.45 and 139,016.74

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Solution

The fourth proportional to 252,189.94, 348,024.45 and 139,016.74 is: 191,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,189.94 : 348,024.45 = 139,016.74 : x
  2. Step 2: Convert to fraction form
    252,189.94/348,024.45 = 139,016.74/x
  3. Step 3: Cross multiply
    252,189.94x = 348,024.45 × 139,016.74
  4. Step 4: Simplify right side
    252,189.94x = 48,381,224,479.29
  5. Step 5: Solve for x
    x = 48,381,224,479.29/252,189.94
  6. Step 6: Final answer
    x = 191,844.39

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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.