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Finding the Fourth Proportional to 86,297.76, 119,062.44 and 70,354.80

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Solution

The fourth proportional to 86,297.76, 119,062.44 and 70,354.80 is: 97,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,297.76 : 119,062.44 = 70,354.80 : x
  2. Step 2: Convert to fraction form
    86,297.76/119,062.44 = 70,354.80/x
  3. Step 3: Cross multiply
    86,297.76x = 119,062.44 × 70,354.80
  4. Step 4: Simplify right side
    86,297.76x = 8,376,614,153.71
  5. Step 5: Solve for x
    x = 8,376,614,153.71/86,297.76
  6. Step 6: Final answer
    x = 97,066.41

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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.