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Finding the Fourth Proportional to 169,505, 233,916.90 and 94,065.64

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Solution

The fourth proportional to 169,505, 233,916.90 and 94,065.64 is: 129,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,505 : 233,916.90 = 94,065.64 : x
  2. Step 2: Convert to fraction form
    169,505/233,916.90 = 94,065.64/x
  3. Step 3: Cross multiply
    169,505x = 233,916.90 × 94,065.64
  4. Step 4: Simplify right side
    169,505x = 22,003,542,905.32
  5. Step 5: Solve for x
    x = 22,003,542,905.32/169,505
  6. Step 6: Final answer
    x = 129,810.58

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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.