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Finding the Fourth Proportional to 93,048.96, 128,433.60 and 57,244.80

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Solution

The fourth proportional to 93,048.96, 128,433.60 and 57,244.80 is: 79,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,048.96 : 128,433.60 = 57,244.80 : x
  2. Step 2: Convert to fraction form
    93,048.96/128,433.60 = 57,244.80/x
  3. Step 3: Cross multiply
    93,048.96x = 128,433.60 × 57,244.80
  4. Step 4: Simplify right side
    93,048.96x = 7,352,155,745.28
  5. Step 5: Solve for x
    x = 7,352,155,745.28/93,048.96
  6. Step 6: Final answer
    x = 79,013.84

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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.