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Finding the Fourth Proportional to 219,356.46, 302,711.97 and 118,754.46

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Solution

The fourth proportional to 219,356.46, 302,711.97 and 118,754.46 is: 163,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,356.46 : 302,711.97 = 118,754.46 : x
  2. Step 2: Convert to fraction form
    219,356.46/302,711.97 = 118,754.46/x
  3. Step 3: Cross multiply
    219,356.46x = 302,711.97 × 118,754.46
  4. Step 4: Simplify right side
    219,356.46x = 35,948,396,532.89
  5. Step 5: Solve for x
    x = 35,948,396,532.89/219,356.46
  6. Step 6: Final answer
    x = 163,881.18

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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.