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Finding the Fourth Proportional to 93,774, 129,403.15 and 51,324.32

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Solution

The fourth proportional to 93,774, 129,403.15 and 51,324.32 is: 70,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,774 : 129,403.15 = 51,324.32 : x
  2. Step 2: Convert to fraction form
    93,774/129,403.15 = 51,324.32/x
  3. Step 3: Cross multiply
    93,774x = 129,403.15 × 51,324.32
  4. Step 4: Simplify right side
    93,774x = 6,641,528,679.61
  5. Step 5: Solve for x
    x = 6,641,528,679.61/93,774
  6. Step 6: Final answer
    x = 70,824.84

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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.