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Finding the Fourth Proportional to 243,595.97, 335,995.63 and 158,827.85

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Solution

The fourth proportional to 243,595.97, 335,995.63 and 158,827.85 is: 219,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,595.97 : 335,995.63 = 158,827.85 : x
  2. Step 2: Convert to fraction form
    243,595.97/335,995.63 = 158,827.85/x
  3. Step 3: Cross multiply
    243,595.97x = 335,995.63 × 158,827.85
  4. Step 4: Simplify right side
    243,595.97x = 53,365,461,842.32
  5. Step 5: Solve for x
    x = 53,365,461,842.32/243,595.97
  6. Step 6: Final answer
    x = 219,073.67

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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.