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Finding the Fourth Proportional to 216,894.08, 325,304.20 and 59,085.60

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Solution

The fourth proportional to 216,894.08, 325,304.20 and 59,085.60 is: 88,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,894.08 : 325,304.20 = 59,085.60 : x
  2. Step 2: Convert to fraction form
    216,894.08/325,304.20 = 59,085.60/x
  3. Step 3: Cross multiply
    216,894.08x = 325,304.20 × 59,085.60
  4. Step 4: Simplify right side
    216,894.08x = 19,220,793,839.52
  5. Step 5: Solve for x
    x = 19,220,793,839.52/216,894.08
  6. Step 6: Final answer
    x = 88,618.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.