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Finding the Fourth Proportional to 166,459.48, 249,714.10 and 61,270.46

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Solution

The fourth proportional to 166,459.48, 249,714.10 and 61,270.46 is: 91,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,459.48 : 249,714.10 = 61,270.46 : x
  2. Step 2: Convert to fraction form
    166,459.48/249,714.10 = 61,270.46/x
  3. Step 3: Cross multiply
    166,459.48x = 249,714.10 × 61,270.46
  4. Step 4: Simplify right side
    166,459.48x = 15,300,097,775.49
  5. Step 5: Solve for x
    x = 15,300,097,775.49/166,459.48
  6. Step 6: Final answer
    x = 91,914.85

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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.