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Finding the Fourth Proportional to 88,464.96, 122,201.06 and 70,684.65

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Solution

The fourth proportional to 88,464.96, 122,201.06 and 70,684.65 is: 97,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,464.96 : 122,201.06 = 70,684.65 : x
  2. Step 2: Convert to fraction form
    88,464.96/122,201.06 = 70,684.65/x
  3. Step 3: Cross multiply
    88,464.96x = 122,201.06 × 70,684.65
  4. Step 4: Simplify right side
    88,464.96x = 8,637,738,802.31
  5. Step 5: Solve for x
    x = 8,637,738,802.31/88,464.96
  6. Step 6: Final answer
    x = 97,640.23

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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.