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Finding the Fourth Proportional to 119,373.54, 164,734.65 and 65,657.22

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Solution

The fourth proportional to 119,373.54, 164,734.65 and 65,657.22 is: 90,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,373.54 : 164,734.65 = 65,657.22 : x
  2. Step 2: Convert to fraction form
    119,373.54/164,734.65 = 65,657.22/x
  3. Step 3: Cross multiply
    119,373.54x = 164,734.65 × 65,657.22
  4. Step 4: Simplify right side
    119,373.54x = 10,816,019,156.67
  5. Step 5: Solve for x
    x = 10,816,019,156.67/119,373.54
  6. Step 6: Final answer
    x = 90,606.50

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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.