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Finding the Fourth Proportional to 108,963.87, 163,445.82 and 46,590.63

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Solution

The fourth proportional to 108,963.87, 163,445.82 and 46,590.63 is: 69,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,963.87 : 163,445.82 = 46,590.63 : x
  2. Step 2: Convert to fraction form
    108,963.87/163,445.82 = 46,590.63/x
  3. Step 3: Cross multiply
    108,963.87x = 163,445.82 × 46,590.63
  4. Step 4: Simplify right side
    108,963.87x = 7,615,043,724.67
  5. Step 5: Solve for x
    x = 7,615,043,724.67/108,963.87
  6. Step 6: Final answer
    x = 69,885.95

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1.5x scale

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.