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Finding the Fourth Proportional to 231,685.30, 347,527.95 and 73,929.70

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Solution

The fourth proportional to 231,685.30, 347,527.95 and 73,929.70 is: 110,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,685.30 : 347,527.95 = 73,929.70 : x
  2. Step 2: Convert to fraction form
    231,685.30/347,527.95 = 73,929.70/x
  3. Step 3: Cross multiply
    231,685.30x = 347,527.95 × 73,929.70
  4. Step 4: Simplify right side
    231,685.30x = 25,692,637,085.12
  5. Step 5: Solve for x
    x = 25,692,637,085.12/231,685.30
  6. Step 6: Final answer
    x = 110,894.55

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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.