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Finding the Fourth Proportional to 270,646.58, 373,489.53 and 149,788.10

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Solution

The fourth proportional to 270,646.58, 373,489.53 and 149,788.10 is: 206,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,646.58 : 373,489.53 = 149,788.10 : x
  2. Step 2: Convert to fraction form
    270,646.58/373,489.53 = 149,788.10/x
  3. Step 3: Cross multiply
    270,646.58x = 373,489.53 × 149,788.10
  4. Step 4: Simplify right side
    270,646.58x = 55,944,287,068.59
  5. Step 5: Solve for x
    x = 55,944,287,068.59/270,646.58
  6. Step 6: Final answer
    x = 206,706.06

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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.