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Finding the Fourth Proportional to 71,349.99, 98,463.70 and 43,050.21

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Solution

The fourth proportional to 71,349.99, 98,463.70 and 43,050.21 is: 59,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,349.99 : 98,463.70 = 43,050.21 : x
  2. Step 2: Convert to fraction form
    71,349.99/98,463.70 = 43,050.21/x
  3. Step 3: Cross multiply
    71,349.99x = 98,463.70 × 43,050.21
  4. Step 4: Simplify right side
    71,349.99x = 4,238,882,962.38
  5. Step 5: Solve for x
    x = 4,238,882,962.38/71,349.99
  6. Step 6: Final answer
    x = 59,409.72

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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.