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Finding the Fourth Proportional to 86,299.84, 119,079.87 and 48,058.93

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Solution

The fourth proportional to 86,299.84, 119,079.87 and 48,058.93 is: 66,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,299.84 : 119,079.87 = 48,058.93 : x
  2. Step 2: Convert to fraction form
    86,299.84/119,079.87 = 48,058.93/x
  3. Step 3: Cross multiply
    86,299.84x = 119,079.87 × 48,058.93
  4. Step 4: Simplify right side
    86,299.84x = 5,722,851,136.74
  5. Step 5: Solve for x
    x = 5,722,851,136.74/86,299.84
  6. Step 6: Final answer
    x = 66,313.58

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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.