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Finding the Fourth Proportional to 93,198.93, 128,616.63 and 52,908.93

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Solution

The fourth proportional to 93,198.93, 128,616.63 and 52,908.93 is: 73,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,198.93 : 128,616.63 = 52,908.93 : x
  2. Step 2: Convert to fraction form
    93,198.93/128,616.63 = 52,908.93/x
  3. Step 3: Cross multiply
    93,198.93x = 128,616.63 × 52,908.93
  4. Step 4: Simplify right side
    93,198.93x = 6,804,968,273.51
  5. Step 5: Solve for x
    x = 6,804,968,273.51/93,198.93
  6. Step 6: Final answer
    x = 73,015.52

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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.