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Finding the Fourth Proportional to 73,492.66, 101,412.11 and 43,276

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Solution

The fourth proportional to 73,492.66, 101,412.11 and 43,276 is: 59,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,492.66 : 101,412.11 = 43,276 : x
  2. Step 2: Convert to fraction form
    73,492.66/101,412.11 = 43,276/x
  3. Step 3: Cross multiply
    73,492.66x = 101,412.11 × 43,276
  4. Step 4: Simplify right side
    73,492.66x = 4,388,710,255.98
  5. Step 5: Solve for x
    x = 4,388,710,255.98/73,492.66
  6. Step 6: Final answer
    x = 59,716.31

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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.