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Finding the Fourth Proportional to 173,057.10, 238,835.52 and 105,058.32

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Solution

The fourth proportional to 173,057.10, 238,835.52 and 105,058.32 is: 144,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,057.10 : 238,835.52 = 105,058.32 : x
  2. Step 2: Convert to fraction form
    173,057.10/238,835.52 = 105,058.32/x
  3. Step 3: Cross multiply
    173,057.10x = 238,835.52 × 105,058.32
  4. Step 4: Simplify right side
    173,057.10x = 25,091,658,487.53
  5. Step 5: Solve for x
    x = 25,091,658,487.53/173,057.10
  6. Step 6: Final answer
    x = 144,990.63

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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.