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Finding the Fourth Proportional to 253,600.80, 349,929.84 and 146,175.84

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Solution

The fourth proportional to 253,600.80, 349,929.84 and 146,175.84 is: 201,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,600.80 : 349,929.84 = 146,175.84 : x
  2. Step 2: Convert to fraction form
    253,600.80/349,929.84 = 146,175.84/x
  3. Step 3: Cross multiply
    253,600.80x = 349,929.84 × 146,175.84
  4. Step 4: Simplify right side
    253,600.80x = 51,151,288,303.07
  5. Step 5: Solve for x
    x = 51,151,288,303.07/253,600.80
  6. Step 6: Final answer
    x = 201,700.03

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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.