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Finding the Fourth Proportional to 219,611.66, 302,946.89 and 133,596.95

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Solution

The fourth proportional to 219,611.66, 302,946.89 and 133,596.95 is: 184,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,611.66 : 302,946.89 = 133,596.95 : x
  2. Step 2: Convert to fraction form
    219,611.66/302,946.89 = 133,596.95/x
  3. Step 3: Cross multiply
    219,611.66x = 302,946.89 × 133,596.95
  4. Step 4: Simplify right side
    219,611.66x = 40,472,778,333.27
  5. Step 5: Solve for x
    x = 40,472,778,333.27/219,611.66
  6. Step 6: Final answer
    x = 184,292.49

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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.