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Finding the Fourth Proportional to 101,557.62, 140,145.66 and 56,232

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Solution

The fourth proportional to 101,557.62, 140,145.66 and 56,232 is: 77,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,557.62 : 140,145.66 = 56,232 : x
  2. Step 2: Convert to fraction form
    101,557.62/140,145.66 = 56,232/x
  3. Step 3: Cross multiply
    101,557.62x = 140,145.66 × 56,232
  4. Step 4: Simplify right side
    101,557.62x = 7,880,670,753.12
  5. Step 5: Solve for x
    x = 7,880,670,753.12/101,557.62
  6. Step 6: Final answer
    x = 77,598.03

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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.