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Finding the Fourth Proportional to 211,597.52, 292,004.58 and 120,955.46

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Solution

The fourth proportional to 211,597.52, 292,004.58 and 120,955.46 is: 166,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,597.52 : 292,004.58 = 120,955.46 : x
  2. Step 2: Convert to fraction form
    211,597.52/292,004.58 = 120,955.46/x
  3. Step 3: Cross multiply
    211,597.52x = 292,004.58 × 120,955.46
  4. Step 4: Simplify right side
    211,597.52x = 35,319,546,835.98
  5. Step 5: Solve for x
    x = 35,319,546,835.98/211,597.52
  6. Step 6: Final answer
    x = 166,918.53

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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.