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Finding the Fourth Proportional to 219,061.97, 302,305.57 and 118,459.97

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Solution

The fourth proportional to 219,061.97, 302,305.57 and 118,459.97 is: 163,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,061.97 : 302,305.57 = 118,459.97 : x
  2. Step 2: Convert to fraction form
    219,061.97/302,305.57 = 118,459.97/x
  3. Step 3: Cross multiply
    219,061.97x = 302,305.57 × 118,459.97
  4. Step 4: Simplify right side
    219,061.97x = 35,811,108,079.00
  5. Step 5: Solve for x
    x = 35,811,108,079.00/219,061.97
  6. Step 6: Final answer
    x = 163,474.78

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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.