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Finding the Fourth Proportional to 194,816.96, 291,990.30 and 94,827.32

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Solution

The fourth proportional to 194,816.96, 291,990.30 and 94,827.32 is: 142,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,816.96 : 291,990.30 = 94,827.32 : x
  2. Step 2: Convert to fraction form
    194,816.96/291,990.30 = 94,827.32/x
  3. Step 3: Cross multiply
    194,816.96x = 291,990.30 × 94,827.32
  4. Step 4: Simplify right side
    194,816.96x = 27,688,657,615.00
  5. Step 5: Solve for x
    x = 27,688,657,615.00/194,816.96
  6. Step 6: Final answer
    x = 142,126.53

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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.