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Finding the Fourth Proportional to 270,585.94, 405,874.64 and 93,094.48

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Solution

The fourth proportional to 270,585.94, 405,874.64 and 93,094.48 is: 139,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,585.94 : 405,874.64 = 93,094.48 : x
  2. Step 2: Convert to fraction form
    270,585.94/405,874.64 = 93,094.48/x
  3. Step 3: Cross multiply
    270,585.94x = 405,874.64 × 93,094.48
  4. Step 4: Simplify right side
    270,585.94x = 37,784,688,555.99
  5. Step 5: Solve for x
    x = 37,784,688,555.99/270,585.94
  6. Step 6: Final answer
    x = 139,640.25

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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.