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Finding the Fourth Proportional to 86,703.76, 119,708.30 and 58,060.13

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Solution

The fourth proportional to 86,703.76, 119,708.30 and 58,060.13 is: 80,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,703.76 : 119,708.30 = 58,060.13 : x
  2. Step 2: Convert to fraction form
    86,703.76/119,708.30 = 58,060.13/x
  3. Step 3: Cross multiply
    86,703.76x = 119,708.30 × 58,060.13
  4. Step 4: Simplify right side
    86,703.76x = 6,950,279,169.78
  5. Step 5: Solve for x
    x = 6,950,279,169.78/86,703.76
  6. Step 6: Final answer
    x = 80,161.22

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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.