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Finding the Fourth Proportional to 108,735.84, 163,112.88 and 46,406.88

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Solution

The fourth proportional to 108,735.84, 163,112.88 and 46,406.88 is: 69,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,735.84 : 163,112.88 = 46,406.88 : x
  2. Step 2: Convert to fraction form
    108,735.84/163,112.88 = 46,406.88/x
  3. Step 3: Cross multiply
    108,735.84x = 163,112.88 × 46,406.88
  4. Step 4: Simplify right side
    108,735.84x = 7,569,559,848.61
  5. Step 5: Solve for x
    x = 7,569,559,848.61/108,735.84
  6. Step 6: Final answer
    x = 69,614.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.