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Finding the Fourth Proportional to 243,689.84, 365,539.77 and 75,210.27

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Solution

The fourth proportional to 243,689.84, 365,539.77 and 75,210.27 is: 112,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,689.84 : 365,539.77 = 75,210.27 : x
  2. Step 2: Convert to fraction form
    243,689.84/365,539.77 = 75,210.27/x
  3. Step 3: Cross multiply
    243,689.84x = 365,539.77 × 75,210.27
  4. Step 4: Simplify right side
    243,689.84x = 27,492,344,797.44
  5. Step 5: Solve for x
    x = 27,492,344,797.44/243,689.84
  6. Step 6: Final answer
    x = 112,816.95

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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.