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Finding the Fourth Proportional to 96,415.95, 133,054.00 and 58,690.20

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Solution

The fourth proportional to 96,415.95, 133,054.00 and 58,690.20 is: 80,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,415.95 : 133,054.00 = 58,690.20 : x
  2. Step 2: Convert to fraction form
    96,415.95/133,054.00 = 58,690.20/x
  3. Step 3: Cross multiply
    96,415.95x = 133,054.00 × 58,690.20
  4. Step 4: Simplify right side
    96,415.95x = 7,808,965,513.05
  5. Step 5: Solve for x
    x = 7,808,965,513.05/96,415.95
  6. Step 6: Final answer
    x = 80,992.47

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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.