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Finding the Fourth Proportional to 176,695.86, 243,835.92 and 101,239.50

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Solution

The fourth proportional to 176,695.86, 243,835.92 and 101,239.50 is: 139,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,695.86 : 243,835.92 = 101,239.50 : x
  2. Step 2: Convert to fraction form
    176,695.86/243,835.92 = 101,239.50/x
  3. Step 3: Cross multiply
    176,695.86x = 243,835.92 × 101,239.50
  4. Step 4: Simplify right side
    176,695.86x = 24,685,826,622.84
  5. Step 5: Solve for x
    x = 24,685,826,622.84/176,695.86
  6. Step 6: Final answer
    x = 139,708.01

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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.