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Finding the Fourth Proportional to 253,453.42, 349,843.62 and 146,095.21

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Solution

The fourth proportional to 253,453.42, 349,843.62 and 146,095.21 is: 201,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,453.42 : 349,843.62 = 146,095.21 : x
  2. Step 2: Convert to fraction form
    253,453.42/349,843.62 = 146,095.21/x
  3. Step 3: Cross multiply
    253,453.42x = 349,843.62 × 146,095.21
  4. Step 4: Simplify right side
    253,453.42x = 51,110,477,131.06
  5. Step 5: Solve for x
    x = 51,110,477,131.06/253,453.42
  6. Step 6: Final answer
    x = 201,656.29

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1.5x scale

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.