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Finding the Fourth Proportional to 253,277.16, 349,526.16 and 145,866.48

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Solution

The fourth proportional to 253,277.16, 349,526.16 and 145,866.48 is: 201,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,277.16 : 349,526.16 = 145,866.48 : x
  2. Step 2: Convert to fraction form
    253,277.16/349,526.16 = 145,866.48/x
  3. Step 3: Cross multiply
    253,277.16x = 349,526.16 × 145,866.48
  4. Step 4: Simplify right side
    253,277.16x = 50,984,150,627.12
  5. Step 5: Solve for x
    x = 50,984,150,627.12/253,277.16
  6. Step 6: Final answer
    x = 201,297.86

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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.