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Finding the Fourth Proportional to 93,801.25, 129,445.77 and 51,359.77

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Solution

The fourth proportional to 93,801.25, 129,445.77 and 51,359.77 is: 70,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,801.25 : 129,445.77 = 51,359.77 : x
  2. Step 2: Convert to fraction form
    93,801.25/129,445.77 = 51,359.77/x
  3. Step 3: Cross multiply
    93,801.25x = 129,445.77 × 51,359.77
  4. Step 4: Simplify right side
    93,801.25x = 6,648,304,974.67
  5. Step 5: Solve for x
    x = 6,648,304,974.67/93,801.25
  6. Step 6: Final answer
    x = 70,876.51

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1.5x scale

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.