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Finding the Fourth Proportional to 253,462.72, 349,865.94 and 146,075.62

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Solution

The fourth proportional to 253,462.72, 349,865.94 and 146,075.62 is: 201,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,462.72 : 349,865.94 = 146,075.62 : x
  2. Step 2: Convert to fraction form
    253,462.72/349,865.94 = 146,075.62/x
  3. Step 3: Cross multiply
    253,462.72x = 349,865.94 × 146,075.62
  4. Step 4: Simplify right side
    253,462.72x = 51,106,884,102.38
  5. Step 5: Solve for x
    x = 51,106,884,102.38/253,462.72
  6. Step 6: Final answer
    x = 201,634.72

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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.