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Finding the Fourth Proportional to 121,801.92, 182,590.20 and 46,899.60

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Solution

The fourth proportional to 121,801.92, 182,590.20 and 46,899.60 is: 70,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,801.92 : 182,590.20 = 46,899.60 : x
  2. Step 2: Convert to fraction form
    121,801.92/182,590.20 = 46,899.60/x
  3. Step 3: Cross multiply
    121,801.92x = 182,590.20 × 46,899.60
  4. Step 4: Simplify right side
    121,801.92x = 8,563,407,343.92
  5. Step 5: Solve for x
    x = 8,563,407,343.92/121,801.92
  6. Step 6: Final answer
    x = 70,306.01

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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.