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Finding the Fourth Proportional to 243,435.58, 335,883.53 and 141,400.41

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Solution

The fourth proportional to 243,435.58, 335,883.53 and 141,400.41 is: 195,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,435.58 : 335,883.53 = 141,400.41 : x
  2. Step 2: Convert to fraction form
    243,435.58/335,883.53 = 141,400.41/x
  3. Step 3: Cross multiply
    243,435.58x = 335,883.53 × 141,400.41
  4. Step 4: Simplify right side
    243,435.58x = 47,494,068,854.25
  5. Step 5: Solve for x
    x = 47,494,068,854.25/243,435.58
  6. Step 6: Final answer
    x = 195,099.13

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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.