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Finding the Fourth Proportional to 214,364.76, 321,547.36 and 54,452.68

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Solution

The fourth proportional to 214,364.76, 321,547.36 and 54,452.68 is: 81,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,364.76 : 321,547.36 = 54,452.68 : x
  2. Step 2: Convert to fraction form
    214,364.76/321,547.36 = 54,452.68/x
  3. Step 3: Cross multiply
    214,364.76x = 321,547.36 × 54,452.68
  4. Step 4: Simplify right side
    214,364.76x = 17,509,116,764.64
  5. Step 5: Solve for x
    x = 17,509,116,764.64/214,364.76
  6. Step 6: Final answer
    x = 81,679.08

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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.