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Finding the Fourth Proportional to 88,812.46, 122,561 and 48,526.51

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Solution

The fourth proportional to 88,812.46, 122,561 and 48,526.51 is: 66,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,812.46 : 122,561 = 48,526.51 : x
  2. Step 2: Convert to fraction form
    88,812.46/122,561 = 48,526.51/x
  3. Step 3: Cross multiply
    88,812.46x = 122,561 × 48,526.51
  4. Step 4: Simplify right side
    88,812.46x = 5,947,457,592.11
  5. Step 5: Solve for x
    x = 5,947,457,592.11/88,812.46
  6. Step 6: Final answer
    x = 66,966.48

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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.