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Finding the Fourth Proportional to 93,152.62, 139,637.80 and 36,974.06

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Solution

The fourth proportional to 93,152.62, 139,637.80 and 36,974.06 is: 55,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,152.62 : 139,637.80 = 36,974.06 : x
  2. Step 2: Convert to fraction form
    93,152.62/139,637.80 = 36,974.06/x
  3. Step 3: Cross multiply
    93,152.62x = 139,637.80 × 36,974.06
  4. Step 4: Simplify right side
    93,152.62x = 5,162,976,395.47
  5. Step 5: Solve for x
    x = 5,162,976,395.47/93,152.62
  6. Step 6: Final answer
    x = 55,424.92

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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.