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Finding the Fourth Proportional to 86,622.72, 119,506.16 and 52,619.12

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Solution

The fourth proportional to 86,622.72, 119,506.16 and 52,619.12 is: 72,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,622.72 : 119,506.16 = 52,619.12 : x
  2. Step 2: Convert to fraction form
    86,622.72/119,506.16 = 52,619.12/x
  3. Step 3: Cross multiply
    86,622.72x = 119,506.16 × 52,619.12
  4. Step 4: Simplify right side
    86,622.72x = 6,288,308,973.78
  5. Step 5: Solve for x
    x = 6,288,308,973.78/86,622.72
  6. Step 6: Final answer
    x = 72,594.22

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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.