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Finding the Fourth Proportional to 219,045.25, 302,315.25 and 134,211.52

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Solution

The fourth proportional to 219,045.25, 302,315.25 and 134,211.52 is: 185,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,045.25 : 302,315.25 = 134,211.52 : x
  2. Step 2: Convert to fraction form
    219,045.25/302,315.25 = 134,211.52/x
  3. Step 3: Cross multiply
    219,045.25x = 302,315.25 × 134,211.52
  4. Step 4: Simplify right side
    219,045.25x = 40,574,189,221.68
  5. Step 5: Solve for x
    x = 40,574,189,221.68/219,045.25
  6. Step 6: Final answer
    x = 185,232.00

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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.