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Finding the Fourth Proportional to 86,319.84, 119,106.54 and 48,074.88

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Solution

The fourth proportional to 86,319.84, 119,106.54 and 48,074.88 is: 66,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,319.84 : 119,106.54 = 48,074.88 : x
  2. Step 2: Convert to fraction form
    86,319.84/119,106.54 = 48,074.88/x
  3. Step 3: Cross multiply
    86,319.84x = 119,106.54 × 48,074.88
  4. Step 4: Simplify right side
    86,319.84x = 5,726,032,617.72
  5. Step 5: Solve for x
    x = 5,726,032,617.72/86,319.84
  6. Step 6: Final answer
    x = 66,335.07

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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.