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Finding the Fourth Proportional to 93,118.98, 128,414.85 and 62,561.11

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Solution

The fourth proportional to 93,118.98, 128,414.85 and 62,561.11 is: 86,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,118.98 : 128,414.85 = 62,561.11 : x
  2. Step 2: Convert to fraction form
    93,118.98/128,414.85 = 62,561.11/x
  3. Step 3: Cross multiply
    93,118.98x = 128,414.85 × 62,561.11
  4. Step 4: Simplify right side
    93,118.98x = 8,033,775,556.48
  5. Step 5: Solve for x
    x = 8,033,775,556.48/93,118.98
  6. Step 6: Final answer
    x = 86,274.31

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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.