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Finding the Fourth Proportional to 211,857.88, 292,359.78 and 116,362.36

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Solution

The fourth proportional to 211,857.88, 292,359.78 and 116,362.36 is: 160,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,857.88 : 292,359.78 = 116,362.36 : x
  2. Step 2: Convert to fraction form
    211,857.88/292,359.78 = 116,362.36/x
  3. Step 3: Cross multiply
    211,857.88x = 292,359.78 × 116,362.36
  4. Step 4: Simplify right side
    211,857.88x = 34,019,673,969.88
  5. Step 5: Solve for x
    x = 34,019,673,969.88/211,857.88
  6. Step 6: Final answer
    x = 160,577.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.