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Finding the Fourth Proportional to 240,111, 331,353.18 and 134,127

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Solution

The fourth proportional to 240,111, 331,353.18 and 134,127 is: 185,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,111 : 331,353.18 = 134,127 : x
  2. Step 2: Convert to fraction form
    240,111/331,353.18 = 134,127/x
  3. Step 3: Cross multiply
    240,111x = 331,353.18 × 134,127
  4. Step 4: Simplify right side
    240,111x = 44,443,407,973.86
  5. Step 5: Solve for x
    x = 44,443,407,973.86/240,111
  6. Step 6: Final answer
    x = 185,095.26

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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.