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Finding the Fourth Proportional to 122,995.17, 169,733.93 and 69,281.03

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Solution

The fourth proportional to 122,995.17, 169,733.93 and 69,281.03 is: 95,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,995.17 : 169,733.93 = 69,281.03 : x
  2. Step 2: Convert to fraction form
    122,995.17/169,733.93 = 69,281.03/x
  3. Step 3: Cross multiply
    122,995.17x = 169,733.93 × 69,281.03
  4. Step 4: Simplify right side
    122,995.17x = 11,759,341,574.28
  5. Step 5: Solve for x
    x = 11,759,341,574.28/122,995.17
  6. Step 6: Final answer
    x = 95,608.16

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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.