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Finding the Fourth Proportional to 162,607.94, 243,911.91 and 107,190.98

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Solution

The fourth proportional to 162,607.94, 243,911.91 and 107,190.98 is: 160,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,607.94 : 243,911.91 = 107,190.98 : x
  2. Step 2: Convert to fraction form
    162,607.94/243,911.91 = 107,190.98/x
  3. Step 3: Cross multiply
    162,607.94x = 243,911.91 × 107,190.98
  4. Step 4: Simplify right side
    162,607.94x = 26,145,157,678.32
  5. Step 5: Solve for x
    x = 26,145,157,678.32/162,607.94
  6. Step 6: Final answer
    x = 160,786.47

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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.