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Finding the Fourth Proportional to 166,465.44, 249,731.64 and 61,282.08

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Solution

The fourth proportional to 166,465.44, 249,731.64 and 61,282.08 is: 91,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,465.44 : 249,731.64 = 61,282.08 : x
  2. Step 2: Convert to fraction form
    166,465.44/249,731.64 = 61,282.08/x
  3. Step 3: Cross multiply
    166,465.44x = 249,731.64 × 61,282.08
  4. Step 4: Simplify right side
    166,465.44x = 15,304,074,341.01
  5. Step 5: Solve for x
    x = 15,304,074,341.01/166,465.44
  6. Step 6: Final answer
    x = 91,935.45

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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.