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Finding the Fourth Proportional to 220,503.06, 304,292.70 and 119,901.06

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Solution

The fourth proportional to 220,503.06, 304,292.70 and 119,901.06 is: 165,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,503.06 : 304,292.70 = 119,901.06 : x
  2. Step 2: Convert to fraction form
    220,503.06/304,292.70 = 119,901.06/x
  3. Step 3: Cross multiply
    220,503.06x = 304,292.70 × 119,901.06
  4. Step 4: Simplify right side
    220,503.06x = 36,485,017,280.26
  5. Step 5: Solve for x
    x = 36,485,017,280.26/220,503.06
  6. Step 6: Final answer
    x = 165,462.63

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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.