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Finding the Fourth Proportional to 86,465.69, 119,302.34 and 52,473.42

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Solution

The fourth proportional to 86,465.69, 119,302.34 and 52,473.42 is: 72,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.69 : 119,302.34 = 52,473.42 : x
  2. Step 2: Convert to fraction form
    86,465.69/119,302.34 = 52,473.42/x
  3. Step 3: Cross multiply
    86,465.69x = 119,302.34 × 52,473.42
  4. Step 4: Simplify right side
    86,465.69x = 6,260,201,531.44
  5. Step 5: Solve for x
    x = 6,260,201,531.44/86,465.69
  6. Step 6: Final answer
    x = 72,400.99

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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.