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Finding the Fourth Proportional to 70,160.06, 105,240.15 and 19,557.06

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Solution

The fourth proportional to 70,160.06, 105,240.15 and 19,557.06 is: 29,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,160.06 : 105,240.15 = 19,557.06 : x
  2. Step 2: Convert to fraction form
    70,160.06/105,240.15 = 19,557.06/x
  3. Step 3: Cross multiply
    70,160.06x = 105,240.15 × 19,557.06
  4. Step 4: Simplify right side
    70,160.06x = 2,058,187,927.96
  5. Step 5: Solve for x
    x = 2,058,187,927.96/70,160.06
  6. Step 6: Final answer
    x = 29,335.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.