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Finding the Fourth Proportional to 86,473.48, 119,315.16 and 52,499.82

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Solution

The fourth proportional to 86,473.48, 119,315.16 and 52,499.82 is: 72,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,473.48 : 119,315.16 = 52,499.82 : x
  2. Step 2: Convert to fraction form
    86,473.48/119,315.16 = 52,499.82/x
  3. Step 3: Cross multiply
    86,473.48x = 119,315.16 × 52,499.82
  4. Step 4: Simplify right side
    86,473.48x = 6,264,024,423.27
  5. Step 5: Solve for x
    x = 6,264,024,423.27/86,473.48
  6. Step 6: Final answer
    x = 72,438.68

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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.