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Finding the Fourth Proportional to 109,643.95, 151,309.11 and 59,342.95

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Solution

The fourth proportional to 109,643.95, 151,309.11 and 59,342.95 is: 81,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,643.95 : 151,309.11 = 59,342.95 : x
  2. Step 2: Convert to fraction form
    109,643.95/151,309.11 = 59,342.95/x
  3. Step 3: Cross multiply
    109,643.95x = 151,309.11 × 59,342.95
  4. Step 4: Simplify right side
    109,643.95x = 8,979,127,896.01
  5. Step 5: Solve for x
    x = 8,979,127,896.01/109,643.95
  6. Step 6: Final answer
    x = 81,893.51

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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.