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Finding the Fourth Proportional to 216,753.84, 325,179.36 and 76,523.40

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Solution

The fourth proportional to 216,753.84, 325,179.36 and 76,523.40 is: 114,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,753.84 : 325,179.36 = 76,523.40 : x
  2. Step 2: Convert to fraction form
    216,753.84/325,179.36 = 76,523.40/x
  3. Step 3: Cross multiply
    216,753.84x = 325,179.36 × 76,523.40
  4. Step 4: Simplify right side
    216,753.84x = 24,883,830,237.02
  5. Step 5: Solve for x
    x = 24,883,830,237.02/216,753.84
  6. Step 6: Final answer
    x = 114,802.26

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1.5x scale

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.