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Finding the Fourth Proportional to 151,907.42, 227,840.10 and 39,578.48

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Solution

The fourth proportional to 151,907.42, 227,840.10 and 39,578.48 is: 59,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,907.42 : 227,840.10 = 39,578.48 : x
  2. Step 2: Convert to fraction form
    151,907.42/227,840.10 = 39,578.48/x
  3. Step 3: Cross multiply
    151,907.42x = 227,840.10 × 39,578.48
  4. Step 4: Simplify right side
    151,907.42x = 9,017,563,701.85
  5. Step 5: Solve for x
    x = 9,017,563,701.85/151,907.42
  6. Step 6: Final answer
    x = 59,362.24

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1.5x scale

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.