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Finding the Fourth Proportional to 114,088.78, 171,089.34 and 39,194.92

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Solution

The fourth proportional to 114,088.78, 171,089.34 and 39,194.92 is: 58,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,088.78 : 171,089.34 = 39,194.92 : x
  2. Step 2: Convert to fraction form
    114,088.78/171,089.34 = 39,194.92/x
  3. Step 3: Cross multiply
    114,088.78x = 171,089.34 × 39,194.92
  4. Step 4: Simplify right side
    114,088.78x = 6,705,832,994.15
  5. Step 5: Solve for x
    x = 6,705,832,994.15/114,088.78
  6. Step 6: Final answer
    x = 58,777.32

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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.