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Finding the Fourth Proportional to 86,641.20, 119,575.22 and 52,655.22

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Solution

The fourth proportional to 86,641.20, 119,575.22 and 52,655.22 is: 72,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,641.20 : 119,575.22 = 52,655.22 : x
  2. Step 2: Convert to fraction form
    86,641.20/119,575.22 = 52,655.22/x
  3. Step 3: Cross multiply
    86,641.20x = 119,575.22 × 52,655.22
  4. Step 4: Simplify right side
    86,641.20x = 6,296,259,252.37
  5. Step 5: Solve for x
    x = 6,296,259,252.37/86,641.20
  6. Step 6: Final answer
    x = 72,670.50

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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.