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Finding the Fourth Proportional to 86,468.16, 119,291.63 and 52,464.16

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Solution

The fourth proportional to 86,468.16, 119,291.63 and 52,464.16 is: 72,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,468.16 : 119,291.63 = 52,464.16 : x
  2. Step 2: Convert to fraction form
    86,468.16/119,291.63 = 52,464.16/x
  3. Step 3: Cross multiply
    86,468.16x = 119,291.63 × 52,464.16
  4. Step 4: Simplify right side
    86,468.16x = 6,258,535,162.98
  5. Step 5: Solve for x
    x = 6,258,535,162.98/86,468.16
  6. Step 6: Final answer
    x = 72,379.65

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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.