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Finding the Fourth Proportional to 254,035.48, 350,573.79 and 139,307.29

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Solution

The fourth proportional to 254,035.48, 350,573.79 and 139,307.29 is: 192,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,035.48 : 350,573.79 = 139,307.29 : x
  2. Step 2: Convert to fraction form
    254,035.48/350,573.79 = 139,307.29/x
  3. Step 3: Cross multiply
    254,035.48x = 350,573.79 × 139,307.29
  4. Step 4: Simplify right side
    254,035.48x = 48,837,484,629.93
  5. Step 5: Solve for x
    x = 48,837,484,629.93/254,035.48
  6. Step 6: Final answer
    x = 192,246.71

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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.