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Finding the Fourth Proportional to 93,876.77, 129,549.78 and 53,603.17

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Solution

The fourth proportional to 93,876.77, 129,549.78 and 53,603.17 is: 73,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,876.77 : 129,549.78 = 53,603.17 : x
  2. Step 2: Convert to fraction form
    93,876.77/129,549.78 = 53,603.17/x
  3. Step 3: Cross multiply
    93,876.77x = 129,549.78 × 53,603.17
  4. Step 4: Simplify right side
    93,876.77x = 6,944,278,556.93
  5. Step 5: Solve for x
    x = 6,944,278,556.93/93,876.77
  6. Step 6: Final answer
    x = 73,972.28

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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.