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Finding the Fourth Proportional to 73,181.16, 109,946.88 and 46,937.16

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Solution

The fourth proportional to 73,181.16, 109,946.88 and 46,937.16 is: 70,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,181.16 : 109,946.88 = 46,937.16 : x
  2. Step 2: Convert to fraction form
    73,181.16/109,946.88 = 46,937.16/x
  3. Step 3: Cross multiply
    73,181.16x = 109,946.88 × 46,937.16
  4. Step 4: Simplify right side
    73,181.16x = 5,160,594,298.06
  5. Step 5: Solve for x
    x = 5,160,594,298.06/73,181.16
  6. Step 6: Final answer
    x = 70,518.07

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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.