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Finding the Fourth Proportional to 114,675.96, 158,258.07 and 63,688.89

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Solution

The fourth proportional to 114,675.96, 158,258.07 and 63,688.89 is: 87,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,675.96 : 158,258.07 = 63,688.89 : x
  2. Step 2: Convert to fraction form
    114,675.96/158,258.07 = 63,688.89/x
  3. Step 3: Cross multiply
    114,675.96x = 158,258.07 × 63,688.89
  4. Step 4: Simplify right side
    114,675.96x = 10,079,280,811.84
  5. Step 5: Solve for x
    x = 10,079,280,811.84/114,675.96
  6. Step 6: Final answer
    x = 87,893.58

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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.