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Finding the Fourth Proportional to 109,577.04, 151,216 and 59,276

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Solution

The fourth proportional to 109,577.04, 151,216 and 59,276 is: 81,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,577.04 : 151,216 = 59,276 : x
  2. Step 2: Convert to fraction form
    109,577.04/151,216 = 59,276/x
  3. Step 3: Cross multiply
    109,577.04x = 151,216 × 59,276
  4. Step 4: Simplify right side
    109,577.04x = 8,963,479,616
  5. Step 5: Solve for x
    x = 8,963,479,616/109,577.04
  6. Step 6: Final answer
    x = 81,800.71

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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.