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Finding the Fourth Proportional to 86,472.72, 119,314.13 and 52,499.07

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Solution

The fourth proportional to 86,472.72, 119,314.13 and 52,499.07 is: 72,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,472.72 : 119,314.13 = 52,499.07 : x
  2. Step 2: Convert to fraction form
    86,472.72/119,314.13 = 52,499.07/x
  3. Step 3: Cross multiply
    86,472.72x = 119,314.13 × 52,499.07
  4. Step 4: Simplify right side
    86,472.72x = 6,263,880,600.36
  5. Step 5: Solve for x
    x = 6,263,880,600.36/86,472.72
  6. Step 6: Final answer
    x = 72,437.65

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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.