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Finding the Fourth Proportional to 253,617.66, 349,991.82 and 146,186.96

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Solution

The fourth proportional to 253,617.66, 349,991.82 and 146,186.96 is: 201,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,617.66 : 349,991.82 = 146,186.96 : x
  2. Step 2: Convert to fraction form
    253,617.66/349,991.82 = 146,186.96/x
  3. Step 3: Cross multiply
    253,617.66x = 349,991.82 × 146,186.96
  4. Step 4: Simplify right side
    253,617.66x = 51,164,238,440.71
  5. Step 5: Solve for x
    x = 51,164,238,440.71/253,617.66
  6. Step 6: Final answer
    x = 201,737.68

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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.