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Finding the Fourth Proportional to 243,400.60, 364,925.82 and 110,212.30

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Solution

The fourth proportional to 243,400.60, 364,925.82 and 110,212.30 is: 165,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,400.60 : 364,925.82 = 110,212.30 : x
  2. Step 2: Convert to fraction form
    243,400.60/364,925.82 = 110,212.30/x
  3. Step 3: Cross multiply
    243,400.60x = 364,925.82 × 110,212.30
  4. Step 4: Simplify right side
    243,400.60x = 40,219,313,951.59
  5. Step 5: Solve for x
    x = 40,219,313,951.59/243,400.60
  6. Step 6: Final answer
    x = 165,239.17

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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.