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Finding the Fourth Proportional to 72,632.60, 100,244.90 and 60,513.89

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Solution

The fourth proportional to 72,632.60, 100,244.90 and 60,513.89 is: 83,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,632.60 : 100,244.90 = 60,513.89 : x
  2. Step 2: Convert to fraction form
    72,632.60/100,244.90 = 60,513.89/x
  3. Step 3: Cross multiply
    72,632.60x = 100,244.90 × 60,513.89
  4. Step 4: Simplify right side
    72,632.60x = 6,066,208,851.66
  5. Step 5: Solve for x
    x = 6,066,208,851.66/72,632.60
  6. Step 6: Final answer
    x = 83,519.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.