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Finding the Fourth Proportional to 86,622.48, 119,538.12 and 48,898.32

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Solution

The fourth proportional to 86,622.48, 119,538.12 and 48,898.32 is: 67,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,622.48 : 119,538.12 = 48,898.32 : x
  2. Step 2: Convert to fraction form
    86,622.48/119,538.12 = 48,898.32/x
  3. Step 3: Cross multiply
    86,622.48x = 119,538.12 × 48,898.32
  4. Step 4: Simplify right side
    86,622.48x = 5,845,213,243.96
  5. Step 5: Solve for x
    x = 5,845,213,243.96/86,622.48
  6. Step 6: Final answer
    x = 67,479.17

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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.