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Finding the Fourth Proportional to 243,392.94, 335,624.25 and 167,023.40

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Solution

The fourth proportional to 243,392.94, 335,624.25 and 167,023.40 is: 230,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,392.94 : 335,624.25 = 167,023.40 : x
  2. Step 2: Convert to fraction form
    243,392.94/335,624.25 = 167,023.40/x
  3. Step 3: Cross multiply
    243,392.94x = 335,624.25 × 167,023.40
  4. Step 4: Simplify right side
    243,392.94x = 56,057,101,679.33
  5. Step 5: Solve for x
    x = 56,057,101,679.33/243,392.94
  6. Step 6: Final answer
    x = 230,315.23

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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.