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Finding the Fourth Proportional to 216,820.40, 325,230.60 and 59,048.60

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Solution

The fourth proportional to 216,820.40, 325,230.60 and 59,048.60 is: 88,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,820.40 : 325,230.60 = 59,048.60 : x
  2. Step 2: Convert to fraction form
    216,820.40/325,230.60 = 59,048.60/x
  3. Step 3: Cross multiply
    216,820.40x = 325,230.60 × 59,048.60
  4. Step 4: Simplify right side
    216,820.40x = 19,204,411,607.16
  5. Step 5: Solve for x
    x = 19,204,411,607.16/216,820.40
  6. Step 6: Final answer
    x = 88,572.90

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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.