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Finding the Fourth Proportional to 169,447.98, 233,840 and 92,967.24

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Solution

The fourth proportional to 169,447.98, 233,840 and 92,967.24 is: 128,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,447.98 : 233,840 = 92,967.24 : x
  2. Step 2: Convert to fraction form
    169,447.98/233,840 = 92,967.24/x
  3. Step 3: Cross multiply
    169,447.98x = 233,840 × 92,967.24
  4. Step 4: Simplify right side
    169,447.98x = 21,739,459,401.60
  5. Step 5: Solve for x
    x = 21,739,459,401.60/169,447.98
  6. Step 6: Final answer
    x = 128,295.77

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1.5x scale

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.