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Finding the Fourth Proportional to 94,892.70, 130,946.79 and 52,448.50

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Solution

The fourth proportional to 94,892.70, 130,946.79 and 52,448.50 is: 72,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,892.70 : 130,946.79 = 52,448.50 : x
  2. Step 2: Convert to fraction form
    94,892.70/130,946.79 = 52,448.50/x
  3. Step 3: Cross multiply
    94,892.70x = 130,946.79 × 52,448.50
  4. Step 4: Simplify right side
    94,892.70x = 6,867,962,715.32
  5. Step 5: Solve for x
    x = 6,867,962,715.32/94,892.70
  6. Step 6: Final answer
    x = 72,376.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.