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Finding the Fourth Proportional to 283,863.48, 425,416.94 and 134,143.52

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Solution

The fourth proportional to 283,863.48, 425,416.94 and 134,143.52 is: 201,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,863.48 : 425,416.94 = 134,143.52 : x
  2. Step 2: Convert to fraction form
    283,863.48/425,416.94 = 134,143.52/x
  3. Step 3: Cross multiply
    283,863.48x = 425,416.94 × 134,143.52
  4. Step 4: Simplify right side
    283,863.48x = 57,066,925,128.51
  5. Step 5: Solve for x
    x = 57,066,925,128.51/283,863.48
  6. Step 6: Final answer
    x = 201,036.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.