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Finding the Fourth Proportional to 252,254.16, 348,113.16 and 139,081.04

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Solution

The fourth proportional to 252,254.16, 348,113.16 and 139,081.04 is: 191,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,254.16 : 348,113.16 = 139,081.04 : x
  2. Step 2: Convert to fraction form
    252,254.16/348,113.16 = 139,081.04/x
  3. Step 3: Cross multiply
    252,254.16x = 348,113.16 × 139,081.04
  4. Step 4: Simplify right side
    252,254.16x = 48,415,940,330.49
  5. Step 5: Solve for x
    x = 48,415,940,330.49/252,254.16
  6. Step 6: Final answer
    x = 191,933.17

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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.