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Finding the Fourth Proportional to 253,168.16, 349,371.48 and 145,699.04

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Solution

The fourth proportional to 253,168.16, 349,371.48 and 145,699.04 is: 201,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,168.16 : 349,371.48 = 145,699.04 : x
  2. Step 2: Convert to fraction form
    253,168.16/349,371.48 = 145,699.04/x
  3. Step 3: Cross multiply
    253,168.16x = 349,371.48 × 145,699.04
  4. Step 4: Simplify right side
    253,168.16x = 50,903,089,239.38
  5. Step 5: Solve for x
    x = 50,903,089,239.38/253,168.16
  6. Step 6: Final answer
    x = 201,064.34

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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.