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Finding the Fourth Proportional to 250,558.63, 375,830.65 and 92,783.59

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Solution

The fourth proportional to 250,558.63, 375,830.65 and 92,783.59 is: 139,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,558.63 : 375,830.65 = 92,783.59 : x
  2. Step 2: Convert to fraction form
    250,558.63/375,830.65 = 92,783.59/x
  3. Step 3: Cross multiply
    250,558.63x = 375,830.65 × 92,783.59
  4. Step 4: Simplify right side
    250,558.63x = 34,870,916,939.03
  5. Step 5: Solve for x
    x = 34,870,916,939.03/250,558.63
  6. Step 6: Final answer
    x = 139,172.68

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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.