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Finding the Fourth Proportional to 345,955.59, 518,894.78 and 93,261.24

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Solution

The fourth proportional to 345,955.59, 518,894.78 and 93,261.24 is: 139,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,955.59 : 518,894.78 = 93,261.24 : x
  2. Step 2: Convert to fraction form
    345,955.59/518,894.78 = 93,261.24/x
  3. Step 3: Cross multiply
    345,955.59x = 518,894.78 × 93,261.24
  4. Step 4: Simplify right side
    345,955.59x = 48,392,770,146.02
  5. Step 5: Solve for x
    x = 48,392,770,146.02/345,955.59
  6. Step 6: Final answer
    x = 139,881.45

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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.