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Finding the Fourth Proportional to 88,792.70, 122,505.50 and 63,303.22

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Solution

The fourth proportional to 88,792.70, 122,505.50 and 63,303.22 is: 87,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,792.70 : 122,505.50 = 63,303.22 : x
  2. Step 2: Convert to fraction form
    88,792.70/122,505.50 = 63,303.22/x
  3. Step 3: Cross multiply
    88,792.70x = 122,505.50 × 63,303.22
  4. Step 4: Simplify right side
    88,792.70x = 7,754,991,688.67
  5. Step 5: Solve for x
    x = 7,754,991,688.67/88,792.70
  6. Step 6: Final answer
    x = 87,338.17

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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.