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Finding the Fourth Proportional to 122,746.44, 169,376.32 and 69,030.30

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Solution

The fourth proportional to 122,746.44, 169,376.32 and 69,030.30 is: 95,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,746.44 : 169,376.32 = 69,030.30 : x
  2. Step 2: Convert to fraction form
    122,746.44/169,376.32 = 69,030.30/x
  3. Step 3: Cross multiply
    122,746.44x = 169,376.32 × 69,030.30
  4. Step 4: Simplify right side
    122,746.44x = 11,692,098,039.28
  5. Step 5: Solve for x
    x = 11,692,098,039.28/122,746.44
  6. Step 6: Final answer
    x = 95,254.07

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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.