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Finding the Fourth Proportional to 122,294.68, 183,411.64 and 69,010.05

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Solution

The fourth proportional to 122,294.68, 183,411.64 and 69,010.05 is: 103,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,294.68 : 183,411.64 = 69,010.05 : x
  2. Step 2: Convert to fraction form
    122,294.68/183,411.64 = 69,010.05/x
  3. Step 3: Cross multiply
    122,294.68x = 183,411.64 × 69,010.05
  4. Step 4: Simplify right side
    122,294.68x = 12,657,246,446.98
  5. Step 5: Solve for x
    x = 12,657,246,446.98/122,294.68
  6. Step 6: Final answer
    x = 103,497.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.