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Finding the Fourth Proportional to 166,498.80, 249,748.20 and 54,189.60

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Solution

The fourth proportional to 166,498.80, 249,748.20 and 54,189.60 is: 81,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,498.80 : 249,748.20 = 54,189.60 : x
  2. Step 2: Convert to fraction form
    166,498.80/249,748.20 = 54,189.60/x
  3. Step 3: Cross multiply
    166,498.80x = 249,748.20 × 54,189.60
  4. Step 4: Simplify right side
    166,498.80x = 13,533,755,058.72
  5. Step 5: Solve for x
    x = 13,533,755,058.72/166,498.80
  6. Step 6: Final answer
    x = 81,284.40

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1.5x scale

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.