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Finding the Fourth Proportional to 93,228.78, 128,656.60 and 52,943.38

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Solution

The fourth proportional to 93,228.78, 128,656.60 and 52,943.38 is: 73,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,228.78 : 128,656.60 = 52,943.38 : x
  2. Step 2: Convert to fraction form
    93,228.78/128,656.60 = 52,943.38/x
  3. Step 3: Cross multiply
    93,228.78x = 128,656.60 × 52,943.38
  4. Step 4: Simplify right side
    93,228.78x = 6,811,515,263.31
  5. Step 5: Solve for x
    x = 6,811,515,263.31/93,228.78
  6. Step 6: Final answer
    x = 73,062.37

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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.