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Finding the Fourth Proportional to 86,797.90, 119,792.13 and 48,559.57

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Solution

The fourth proportional to 86,797.90, 119,792.13 and 48,559.57 is: 67,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,797.90 : 119,792.13 = 48,559.57 : x
  2. Step 2: Convert to fraction form
    86,797.90/119,792.13 = 48,559.57/x
  3. Step 3: Cross multiply
    86,797.90x = 119,792.13 × 48,559.57
  4. Step 4: Simplify right side
    86,797.90x = 5,817,054,322.18
  5. Step 5: Solve for x
    x = 5,817,054,322.18/86,797.90
  6. Step 6: Final answer
    x = 67,018.38

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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.