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Finding the Fourth Proportional to 235,157.94, 352,830.42 and 75,258.59

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Solution

The fourth proportional to 235,157.94, 352,830.42 and 75,258.59 is: 112,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,157.94 : 352,830.42 = 75,258.59 : x
  2. Step 2: Convert to fraction form
    235,157.94/352,830.42 = 75,258.59/x
  3. Step 3: Cross multiply
    235,157.94x = 352,830.42 × 75,258.59
  4. Step 4: Simplify right side
    235,157.94x = 26,553,518,154.16
  5. Step 5: Solve for x
    x = 26,553,518,154.16/235,157.94
  6. Step 6: Final answer
    x = 112,917.80

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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.