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Finding the Fourth Proportional to 235,565.88, 352,457.14 and 139,554.64

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Solution

The fourth proportional to 235,565.88, 352,457.14 and 139,554.64 is: 208,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,565.88 : 352,457.14 = 139,554.64 : x
  2. Step 2: Convert to fraction form
    235,565.88/352,457.14 = 139,554.64/x
  3. Step 3: Cross multiply
    235,565.88x = 352,457.14 × 139,554.64
  4. Step 4: Simplify right side
    235,565.88x = 49,187,029,288.13
  5. Step 5: Solve for x
    x = 49,187,029,288.13/235,565.88
  6. Step 6: Final answer
    x = 208,803.71

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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.