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Finding the Fourth Proportional to 166,361.63, 249,538.65 and 46,415.42

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Solution

The fourth proportional to 166,361.63, 249,538.65 and 46,415.42 is: 69,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,361.63 : 249,538.65 = 46,415.42 : x
  2. Step 2: Convert to fraction form
    166,361.63/249,538.65 = 46,415.42/x
  3. Step 3: Cross multiply
    166,361.63x = 249,538.65 × 46,415.42
  4. Step 4: Simplify right side
    166,361.63x = 11,582,439,998.29
  5. Step 5: Solve for x
    x = 11,582,439,998.29/166,361.63
  6. Step 6: Final answer
    x = 69,622.07

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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.