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Finding the Fourth Proportional to 254,374.54, 351,019.29 and 141,188.38

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Solution

The fourth proportional to 254,374.54, 351,019.29 and 141,188.38 is: 194,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,374.54 : 351,019.29 = 141,188.38 : x
  2. Step 2: Convert to fraction form
    254,374.54/351,019.29 = 141,188.38/x
  3. Step 3: Cross multiply
    254,374.54x = 351,019.29 × 141,188.38
  4. Step 4: Simplify right side
    254,374.54x = 49,559,843,148.75
  5. Step 5: Solve for x
    x = 49,559,843,148.75/254,374.54
  6. Step 6: Final answer
    x = 194,830.21

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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.