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Finding the Fourth Proportional to 108,683, 163,039.08 and 46,368.08

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Solution

The fourth proportional to 108,683, 163,039.08 and 46,368.08 is: 69,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,683 : 163,039.08 = 46,368.08 : x
  2. Step 2: Convert to fraction form
    108,683/163,039.08 = 46,368.08/x
  3. Step 3: Cross multiply
    108,683x = 163,039.08 × 46,368.08
  4. Step 4: Simplify right side
    108,683x = 7,559,809,104.57
  5. Step 5: Solve for x
    x = 7,559,809,104.57/108,683
  6. Step 6: Final answer
    x = 69,558.34

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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.