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Finding the Fourth Proportional to 254,222.29, 350,825.79 and 139,502.85

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Solution

The fourth proportional to 254,222.29, 350,825.79 and 139,502.85 is: 192,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,222.29 : 350,825.79 = 139,502.85 : x
  2. Step 2: Convert to fraction form
    254,222.29/350,825.79 = 139,502.85/x
  3. Step 3: Cross multiply
    254,222.29x = 350,825.79 × 139,502.85
  4. Step 4: Simplify right side
    254,222.29x = 48,941,197,558.50
  5. Step 5: Solve for x
    x = 48,941,197,558.50/254,222.29
  6. Step 6: Final answer
    x = 192,513.40

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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.