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Finding the Fourth Proportional to 169,885.98, 234,445.32 and 93,408.39

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Solution

The fourth proportional to 169,885.98, 234,445.32 and 93,408.39 is: 128,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,885.98 : 234,445.32 = 93,408.39 : x
  2. Step 2: Convert to fraction form
    169,885.98/234,445.32 = 93,408.39/x
  3. Step 3: Cross multiply
    169,885.98x = 234,445.32 × 93,408.39
  4. Step 4: Simplify right side
    169,885.98x = 21,899,159,884.23
  5. Step 5: Solve for x
    x = 21,899,159,884.23/169,885.98
  6. Step 6: Final answer
    x = 128,905.04

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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.