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Finding the Fourth Proportional to 253,337.60, 349,576.08 and 145,912.16

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Solution

The fourth proportional to 253,337.60, 349,576.08 and 145,912.16 is: 201,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,337.60 : 349,576.08 = 145,912.16 : x
  2. Step 2: Convert to fraction form
    253,337.60/349,576.08 = 145,912.16/x
  3. Step 3: Cross multiply
    253,337.60x = 349,576.08 × 145,912.16
  4. Step 4: Simplify right side
    253,337.60x = 51,007,400,917.13
  5. Step 5: Solve for x
    x = 51,007,400,917.13/253,337.60
  6. Step 6: Final answer
    x = 201,341.61

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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.