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Finding the Fourth Proportional to 177,357.64, 266,036.48 and 118,308.64

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Solution

The fourth proportional to 177,357.64, 266,036.48 and 118,308.64 is: 177,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,357.64 : 266,036.48 = 118,308.64 : x
  2. Step 2: Convert to fraction form
    177,357.64/266,036.48 = 118,308.64/x
  3. Step 3: Cross multiply
    177,357.64x = 266,036.48 × 118,308.64
  4. Step 4: Simplify right side
    177,357.64x = 31,474,414,139.19
  5. Step 5: Solve for x
    x = 31,474,414,139.19/177,357.64
  6. Step 6: Final answer
    x = 177,462.97

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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.