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Finding the Fourth Proportional to 125,703.52, 188,586 and 42,598.24

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Solution

The fourth proportional to 125,703.52, 188,586 and 42,598.24 is: 63,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,703.52 : 188,586 = 42,598.24 : x
  2. Step 2: Convert to fraction form
    125,703.52/188,586 = 42,598.24/x
  3. Step 3: Cross multiply
    125,703.52x = 188,586 × 42,598.24
  4. Step 4: Simplify right side
    125,703.52x = 8,033,431,688.64
  5. Step 5: Solve for x
    x = 8,033,431,688.64/125,703.52
  6. Step 6: Final answer
    x = 63,907.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.