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Finding the Fourth Proportional to 270,178.58, 372,892.74 and 157,066.94

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Solution

The fourth proportional to 270,178.58, 372,892.74 and 157,066.94 is: 216,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,178.58 : 372,892.74 = 157,066.94 : x
  2. Step 2: Convert to fraction form
    270,178.58/372,892.74 = 157,066.94/x
  3. Step 3: Cross multiply
    270,178.58x = 372,892.74 × 157,066.94
  4. Step 4: Simplify right side
    270,178.58x = 58,569,121,620.02
  5. Step 5: Solve for x
    x = 58,569,121,620.02/270,178.58
  6. Step 6: Final answer
    x = 216,779.29

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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.