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Finding the Fourth Proportional to 93,297.39, 128,749.41 and 50,855.01

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Solution

The fourth proportional to 93,297.39, 128,749.41 and 50,855.01 is: 70,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,297.39 : 128,749.41 = 50,855.01 : x
  2. Step 2: Convert to fraction form
    93,297.39/128,749.41 = 50,855.01/x
  3. Step 3: Cross multiply
    93,297.39x = 128,749.41 × 50,855.01
  4. Step 4: Simplify right side
    93,297.39x = 6,547,552,533.04
  5. Step 5: Solve for x
    x = 6,547,552,533.04/93,297.39
  6. Step 6: Final answer
    x = 70,179.38

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1.5x scale

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.