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Finding the Fourth Proportional to 60,054.42, 90,081.44 and 42,211.62

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Solution

The fourth proportional to 60,054.42, 90,081.44 and 42,211.62 is: 63,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,054.42 : 90,081.44 = 42,211.62 : x
  2. Step 2: Convert to fraction form
    60,054.42/90,081.44 = 42,211.62/x
  3. Step 3: Cross multiply
    60,054.42x = 90,081.44 × 42,211.62
  4. Step 4: Simplify right side
    60,054.42x = 3,802,483,514.33
  5. Step 5: Solve for x
    x = 3,802,483,514.33/60,054.42
  6. Step 6: Final answer
    x = 63,317.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.