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Finding the Fourth Proportional to 86,839, 119,842.86 and 48,598.22

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Solution

The fourth proportional to 86,839, 119,842.86 and 48,598.22 is: 67,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,839 : 119,842.86 = 48,598.22 : x
  2. Step 2: Convert to fraction form
    86,839/119,842.86 = 48,598.22/x
  3. Step 3: Cross multiply
    86,839x = 119,842.86 × 48,598.22
  4. Step 4: Simplify right side
    86,839x = 5,824,149,675.71
  5. Step 5: Solve for x
    x = 5,824,149,675.71/86,839
  6. Step 6: Final answer
    x = 67,068.36

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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.