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Finding the Fourth Proportional to 93,775.64, 129,410.60 and 51,336.90

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Solution

The fourth proportional to 93,775.64, 129,410.60 and 51,336.90 is: 70,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,775.64 : 129,410.60 = 51,336.90 : x
  2. Step 2: Convert to fraction form
    93,775.64/129,410.60 = 51,336.90/x
  3. Step 3: Cross multiply
    93,775.64x = 129,410.60 × 51,336.90
  4. Step 4: Simplify right side
    93,775.64x = 6,643,538,774.46
  5. Step 5: Solve for x
    x = 6,643,538,774.46/93,775.64
  6. Step 6: Final answer
    x = 70,845.04

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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.