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Finding the Fourth Proportional to 253,147.36, 349,178.76 and 162,359.52

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Solution

The fourth proportional to 253,147.36, 349,178.76 and 162,359.52 is: 223,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,147.36 : 349,178.76 = 162,359.52 : x
  2. Step 2: Convert to fraction form
    253,147.36/349,178.76 = 162,359.52/x
  3. Step 3: Cross multiply
    253,147.36x = 349,178.76 × 162,359.52
  4. Step 4: Simplify right side
    253,147.36x = 56,692,495,867.80
  5. Step 5: Solve for x
    x = 56,692,495,867.80/253,147.36
  6. Step 6: Final answer
    x = 223,950.57

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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.