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Finding the Fourth Proportional to 345,392.44, 518,085.66 and 96,073.72

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Solution

The fourth proportional to 345,392.44, 518,085.66 and 96,073.72 is: 144,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,392.44 : 518,085.66 = 96,073.72 : x
  2. Step 2: Convert to fraction form
    345,392.44/518,085.66 = 96,073.72/x
  3. Step 3: Cross multiply
    345,392.44x = 518,085.66 × 96,073.72
  4. Step 4: Simplify right side
    345,392.44x = 49,774,416,634.86
  5. Step 5: Solve for x
    x = 49,774,416,634.86/345,392.44
  6. Step 6: Final answer
    x = 144,109.75

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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.