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Finding the Fourth Proportional to 357,470.04, 536,204.63 and 91,230.59

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Solution

The fourth proportional to 357,470.04, 536,204.63 and 91,230.59 is: 136,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,470.04 : 536,204.63 = 91,230.59 : x
  2. Step 2: Convert to fraction form
    357,470.04/536,204.63 = 91,230.59/x
  3. Step 3: Cross multiply
    357,470.04x = 536,204.63 × 91,230.59
  4. Step 4: Simplify right side
    357,470.04x = 48,918,261,960.57
  5. Step 5: Solve for x
    x = 48,918,261,960.57/357,470.04
  6. Step 6: Final answer
    x = 136,845.77

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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.