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Finding the Fourth Proportional to 254,061, 350,596.80 and 139,337.46

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Solution

The fourth proportional to 254,061, 350,596.80 and 139,337.46 is: 192,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,061 : 350,596.80 = 139,337.46 : x
  2. Step 2: Convert to fraction form
    254,061/350,596.80 = 139,337.46/x
  3. Step 3: Cross multiply
    254,061x = 350,596.80 × 139,337.46
  4. Step 4: Simplify right side
    254,061x = 48,851,267,596.13
  5. Step 5: Solve for x
    x = 48,851,267,596.13/254,061
  6. Step 6: Final answer
    x = 192,281.65

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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.