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Finding the Fourth Proportional to 93,184.92, 128,597.49 and 50,745.78

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Solution

The fourth proportional to 93,184.92, 128,597.49 and 50,745.78 is: 70,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,184.92 : 128,597.49 = 50,745.78 : x
  2. Step 2: Convert to fraction form
    93,184.92/128,597.49 = 50,745.78/x
  3. Step 3: Cross multiply
    93,184.92x = 128,597.49 × 50,745.78
  4. Step 4: Simplify right side
    93,184.92x = 6,525,779,936.09
  5. Step 5: Solve for x
    x = 6,525,779,936.09/93,184.92
  6. Step 6: Final answer
    x = 70,030.43

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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.