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Finding the Fourth Proportional to 243,104.08, 364,792.20 and 102,967.60

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Solution

The fourth proportional to 243,104.08, 364,792.20 and 102,967.60 is: 154,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,104.08 : 364,792.20 = 102,967.60 : x
  2. Step 2: Convert to fraction form
    243,104.08/364,792.20 = 102,967.60/x
  3. Step 3: Cross multiply
    243,104.08x = 364,792.20 × 102,967.60
  4. Step 4: Simplify right side
    243,104.08x = 37,561,777,332.72
  5. Step 5: Solve for x
    x = 37,561,777,332.72/243,104.08
  6. Step 6: Final answer
    x = 154,509.04

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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.