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Finding the Fourth Proportional to 165,384.80, 248,077.20 and 53,064.80

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Solution

The fourth proportional to 165,384.80, 248,077.20 and 53,064.80 is: 79,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,384.80 : 248,077.20 = 53,064.80 : x
  2. Step 2: Convert to fraction form
    165,384.80/248,077.20 = 53,064.80/x
  3. Step 3: Cross multiply
    165,384.80x = 248,077.20 × 53,064.80
  4. Step 4: Simplify right side
    165,384.80x = 13,164,167,002.56
  5. Step 5: Solve for x
    x = 13,164,167,002.56/165,384.80
  6. Step 6: Final answer
    x = 79,597.20

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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.