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Finding the Fourth Proportional to 85,568.52, 128,374.68 and 35,632.08

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Solution

The fourth proportional to 85,568.52, 128,374.68 and 35,632.08 is: 53,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,568.52 : 128,374.68 = 35,632.08 : x
  2. Step 2: Convert to fraction form
    85,568.52/128,374.68 = 35,632.08/x
  3. Step 3: Cross multiply
    85,568.52x = 128,374.68 × 35,632.08
  4. Step 4: Simplify right side
    85,568.52x = 4,574,256,867.73
  5. Step 5: Solve for x
    x = 4,574,256,867.73/85,568.52
  6. Step 6: Final answer
    x = 53,457.24

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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.