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Finding the Fourth Proportional to 211,059.36, 316,598.76 and 117,494.64

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Solution

The fourth proportional to 211,059.36, 316,598.76 and 117,494.64 is: 176,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,059.36 : 316,598.76 = 117,494.64 : x
  2. Step 2: Convert to fraction form
    211,059.36/316,598.76 = 117,494.64/x
  3. Step 3: Cross multiply
    211,059.36x = 316,598.76 × 117,494.64
  4. Step 4: Simplify right side
    211,059.36x = 37,198,657,330.65
  5. Step 5: Solve for x
    x = 37,198,657,330.65/211,059.36
  6. Step 6: Final answer
    x = 176,247.37

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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.