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Finding the Fourth Proportional to 237,561.63, 356,305.31 and 77,636.30

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Solution

The fourth proportional to 237,561.63, 356,305.31 and 77,636.30 is: 116,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,561.63 : 356,305.31 = 77,636.30 : x
  2. Step 2: Convert to fraction form
    237,561.63/356,305.31 = 77,636.30/x
  3. Step 3: Cross multiply
    237,561.63x = 356,305.31 × 77,636.30
  4. Step 4: Simplify right side
    237,561.63x = 27,662,224,496.89
  5. Step 5: Solve for x
    x = 27,662,224,496.89/237,561.63
  6. Step 6: Final answer
    x = 116,442.31

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1.5x scale

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.