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Finding the Fourth Proportional to 93,340.50, 128,805.20 and 53,048.94

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Solution

The fourth proportional to 93,340.50, 128,805.20 and 53,048.94 is: 73,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.50 : 128,805.20 = 53,048.94 : x
  2. Step 2: Convert to fraction form
    93,340.50/128,805.20 = 53,048.94/x
  3. Step 3: Cross multiply
    93,340.50x = 128,805.20 × 53,048.94
  4. Step 4: Simplify right side
    93,340.50x = 6,832,979,326.49
  5. Step 5: Solve for x
    x = 6,832,979,326.49/93,340.50
  6. Step 6: Final answer
    x = 73,204.87

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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.