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Finding the Fourth Proportional to 253,161.48, 349,045.29 and 162,357.24

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Solution

The fourth proportional to 253,161.48, 349,045.29 and 162,357.24 is: 223,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,161.48 : 349,045.29 = 162,357.24 : x
  2. Step 2: Convert to fraction form
    253,161.48/349,045.29 = 162,357.24/x
  3. Step 3: Cross multiply
    253,161.48x = 349,045.29 × 162,357.24
  4. Step 4: Simplify right side
    253,161.48x = 56,670,029,919.40
  5. Step 5: Solve for x
    x = 56,670,029,919.40/253,161.48
  6. Step 6: Final answer
    x = 223,849.34

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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.