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Finding the Fourth Proportional to 165,620.01, 248,430.09 and 53,300.21

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Solution

The fourth proportional to 165,620.01, 248,430.09 and 53,300.21 is: 79,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,620.01 : 248,430.09 = 53,300.21 : x
  2. Step 2: Convert to fraction form
    165,620.01/248,430.09 = 53,300.21/x
  3. Step 3: Cross multiply
    165,620.01x = 248,430.09 × 53,300.21
  4. Step 4: Simplify right side
    165,620.01x = 13,241,375,700.82
  5. Step 5: Solve for x
    x = 13,241,375,700.82/165,620.01
  6. Step 6: Final answer
    x = 79,950.34

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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.