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Finding the Fourth Proportional to 166,441.68, 249,656.04 and 91,710

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Solution

The fourth proportional to 166,441.68, 249,656.04 and 91,710 is: 137,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,441.68 : 249,656.04 = 91,710 : x
  2. Step 2: Convert to fraction form
    166,441.68/249,656.04 = 91,710/x
  3. Step 3: Cross multiply
    166,441.68x = 249,656.04 × 91,710
  4. Step 4: Simplify right side
    166,441.68x = 22,895,955,428.40
  5. Step 5: Solve for x
    x = 22,895,955,428.40/166,441.68
  6. Step 6: Final answer
    x = 137,561.43

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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.