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Finding the Fourth Proportional to 201,292.80, 301,939.20 and 61,058.40

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Solution

The fourth proportional to 201,292.80, 301,939.20 and 61,058.40 is: 91,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,292.80 : 301,939.20 = 61,058.40 : x
  2. Step 2: Convert to fraction form
    201,292.80/301,939.20 = 61,058.40/x
  3. Step 3: Cross multiply
    201,292.80x = 301,939.20 × 61,058.40
  4. Step 4: Simplify right side
    201,292.80x = 18,435,924,449.28
  5. Step 5: Solve for x
    x = 18,435,924,449.28/201,292.80
  6. Step 6: Final answer
    x = 91,587.60

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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.