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Finding the Fourth Proportional to 86,282.64, 119,051.67 and 50,465.64

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Solution

The fourth proportional to 86,282.64, 119,051.67 and 50,465.64 is: 69,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,282.64 : 119,051.67 = 50,465.64 : x
  2. Step 2: Convert to fraction form
    86,282.64/119,051.67 = 50,465.64/x
  3. Step 3: Cross multiply
    86,282.64x = 119,051.67 × 50,465.64
  4. Step 4: Simplify right side
    86,282.64x = 6,008,018,719.62
  5. Step 5: Solve for x
    x = 6,008,018,719.62/86,282.64
  6. Step 6: Final answer
    x = 69,631.84

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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.