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Finding the Fourth Proportional to 122,370.65, 168,881.67 and 67,927.94

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Solution

The fourth proportional to 122,370.65, 168,881.67 and 67,927.94 is: 93,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,370.65 : 168,881.67 = 67,927.94 : x
  2. Step 2: Convert to fraction form
    122,370.65/168,881.67 = 67,927.94/x
  3. Step 3: Cross multiply
    122,370.65x = 168,881.67 × 67,927.94
  4. Step 4: Simplify right side
    122,370.65x = 11,471,782,762.81
  5. Step 5: Solve for x
    x = 11,471,782,762.81/122,370.65
  6. Step 6: Final answer
    x = 93,746.20

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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.