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Finding the Fourth Proportional to 118,804.48, 163,950.30 and 64,356.77

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Solution

The fourth proportional to 118,804.48, 163,950.30 and 64,356.77 is: 88,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,804.48 : 163,950.30 = 64,356.77 : x
  2. Step 2: Convert to fraction form
    118,804.48/163,950.30 = 64,356.77/x
  3. Step 3: Cross multiply
    118,804.48x = 163,950.30 × 64,356.77
  4. Step 4: Simplify right side
    118,804.48x = 10,551,311,748.53
  5. Step 5: Solve for x
    x = 10,551,311,748.53/118,804.48
  6. Step 6: Final answer
    x = 88,812.41

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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.