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Finding the Fourth Proportional to 166,062.80, 249,094.20 and 47,723.60

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Solution

The fourth proportional to 166,062.80, 249,094.20 and 47,723.60 is: 71,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,062.80 : 249,094.20 = 47,723.60 : x
  2. Step 2: Convert to fraction form
    166,062.80/249,094.20 = 47,723.60/x
  3. Step 3: Cross multiply
    166,062.80x = 249,094.20 × 47,723.60
  4. Step 4: Simplify right side
    166,062.80x = 11,887,671,963.12
  5. Step 5: Solve for x
    x = 11,887,671,963.12/166,062.80
  6. Step 6: Final answer
    x = 71,585.40

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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.