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Finding the Fourth Proportional to 86,297.60, 119,127.48 and 58,019.76

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Solution

The fourth proportional to 86,297.60, 119,127.48 and 58,019.76 is: 80,092.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,297.60 : 119,127.48 = 58,019.76 : x
  2. Step 2: Convert to fraction form
    86,297.60/119,127.48 = 58,019.76/x
  3. Step 3: Cross multiply
    86,297.60x = 119,127.48 × 58,019.76
  4. Step 4: Simplify right side
    86,297.60x = 6,911,747,799.00
  5. Step 5: Solve for x
    x = 6,911,747,799.00/86,297.60
  6. Step 6: Final answer
    x = 80,092.00

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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.