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Finding the Fourth Proportional to 89,492.08, 133,946.04 and 65,793.36

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Solution

The fourth proportional to 89,492.08, 133,946.04 and 65,793.36 is: 98,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,492.08 : 133,946.04 = 65,793.36 : x
  2. Step 2: Convert to fraction form
    89,492.08/133,946.04 = 65,793.36/x
  3. Step 3: Cross multiply
    89,492.08x = 133,946.04 × 65,793.36
  4. Step 4: Simplify right side
    89,492.08x = 8,812,760,030.29
  5. Step 5: Solve for x
    x = 8,812,760,030.29/89,492.08
  6. Step 6: Final answer
    x = 98,475.31

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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.