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Finding the Fourth Proportional to 253,601.80, 349,931.22 and 146,176.84

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Solution

The fourth proportional to 253,601.80, 349,931.22 and 146,176.84 is: 201,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,601.80 : 349,931.22 = 146,176.84 : x
  2. Step 2: Convert to fraction form
    253,601.80/349,931.22 = 146,176.84/x
  3. Step 3: Cross multiply
    253,601.80x = 349,931.22 × 146,176.84
  4. Step 4: Simplify right side
    253,601.80x = 51,151,839,956.94
  5. Step 5: Solve for x
    x = 51,151,839,956.94/253,601.80
  6. Step 6: Final answer
    x = 201,701.41

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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.