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Finding the Fourth Proportional to 166,173, 249,295.95 and 53,864.34

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Solution

The fourth proportional to 166,173, 249,295.95 and 53,864.34 is: 80,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,173 : 249,295.95 = 53,864.34 : x
  2. Step 2: Convert to fraction form
    166,173/249,295.95 = 53,864.34/x
  3. Step 3: Cross multiply
    166,173x = 249,295.95 × 53,864.34
  4. Step 4: Simplify right side
    166,173x = 13,428,161,811.42
  5. Step 5: Solve for x
    x = 13,428,161,811.42/166,173
  6. Step 6: Final answer
    x = 80,808.33

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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.