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Finding the Fourth Proportional to 166,283.52, 249,417.72 and 61,094.76

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Solution

The fourth proportional to 166,283.52, 249,417.72 and 61,094.76 is: 91,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,283.52 : 249,417.72 = 61,094.76 : x
  2. Step 2: Convert to fraction form
    166,283.52/249,417.72 = 61,094.76/x
  3. Step 3: Cross multiply
    166,283.52x = 249,417.72 × 61,094.76
  4. Step 4: Simplify right side
    166,283.52x = 15,238,115,743.15
  5. Step 5: Solve for x
    x = 15,238,115,743.15/166,283.52
  6. Step 6: Final answer
    x = 91,639.36

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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.