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Finding the Fourth Proportional to 86,358.92, 119,173.52 and 48,118.32

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Solution

The fourth proportional to 86,358.92, 119,173.52 and 48,118.32 is: 66,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,358.92 : 119,173.52 = 48,118.32 : x
  2. Step 2: Convert to fraction form
    86,358.92/119,173.52 = 48,118.32/x
  3. Step 3: Cross multiply
    86,358.92x = 119,173.52 × 48,118.32
  4. Step 4: Simplify right side
    86,358.92x = 5,734,429,152.66
  5. Step 5: Solve for x
    x = 5,734,429,152.66/86,358.92
  6. Step 6: Final answer
    x = 66,402.28

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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.