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Finding the Fourth Proportional to 253,192.64, 349,300.32 and 145,736.96

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Solution

The fourth proportional to 253,192.64, 349,300.32 and 145,736.96 is: 201,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,192.64 : 349,300.32 = 145,736.96 : x
  2. Step 2: Convert to fraction form
    253,192.64/349,300.32 = 145,736.96/x
  3. Step 3: Cross multiply
    253,192.64x = 349,300.32 × 145,736.96
  4. Step 4: Simplify right side
    253,192.64x = 50,905,966,763.83
  5. Step 5: Solve for x
    x = 50,905,966,763.83/253,192.64
  6. Step 6: Final answer
    x = 201,056.27

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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.