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Finding the Fourth Proportional to 93,172.48, 139,730.97 and 33,994.28

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Solution

The fourth proportional to 93,172.48, 139,730.97 and 33,994.28 is: 50,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,172.48 : 139,730.97 = 33,994.28 : x
  2. Step 2: Convert to fraction form
    93,172.48/139,730.97 = 33,994.28/x
  3. Step 3: Cross multiply
    93,172.48x = 139,730.97 × 33,994.28
  4. Step 4: Simplify right side
    93,172.48x = 4,750,054,195.66
  5. Step 5: Solve for x
    x = 4,750,054,195.66/93,172.48
  6. Step 6: Final answer
    x = 50,981.30

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1.5x scale

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.