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Finding the Fourth Proportional to 270,068.68, 372,689.58 and 149,215.24

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Solution

The fourth proportional to 270,068.68, 372,689.58 and 149,215.24 is: 205,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,068.68 : 372,689.58 = 149,215.24 : x
  2. Step 2: Convert to fraction form
    270,068.68/372,689.58 = 149,215.24/x
  3. Step 3: Cross multiply
    270,068.68x = 372,689.58 × 149,215.24
  4. Step 4: Simplify right side
    270,068.68x = 55,610,965,125.20
  5. Step 5: Solve for x
    x = 55,610,965,125.20/270,068.68
  6. Step 6: Final answer
    x = 205,914.16

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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.