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Finding the Fourth Proportional to 357,389.80, 536,084.70 and 94,733.80

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Solution

The fourth proportional to 357,389.80, 536,084.70 and 94,733.80 is: 142,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,389.80 : 536,084.70 = 94,733.80 : x
  2. Step 2: Convert to fraction form
    357,389.80/536,084.70 = 94,733.80/x
  3. Step 3: Cross multiply
    357,389.80x = 536,084.70 × 94,733.80
  4. Step 4: Simplify right side
    357,389.80x = 50,785,340,752.86
  5. Step 5: Solve for x
    x = 50,785,340,752.86/357,389.80
  6. Step 6: Final answer
    x = 142,100.70

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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.