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Finding the Fourth Proportional to 88,911.54, 122,501.01 and 58,643.46

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Solution

The fourth proportional to 88,911.54, 122,501.01 and 58,643.46 is: 80,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,911.54 : 122,501.01 = 58,643.46 : x
  2. Step 2: Convert to fraction form
    88,911.54/122,501.01 = 58,643.46/x
  3. Step 3: Cross multiply
    88,911.54x = 122,501.01 × 58,643.46
  4. Step 4: Simplify right side
    88,911.54x = 7,183,883,079.89
  5. Step 5: Solve for x
    x = 7,183,883,079.89/88,911.54
  6. Step 6: Final answer
    x = 80,798.10

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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.