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Finding the Fourth Proportional to 93,133.46, 128,520.47 and 50,692.03

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Solution

The fourth proportional to 93,133.46, 128,520.47 and 50,692.03 is: 69,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,133.46 : 128,520.47 = 50,692.03 : x
  2. Step 2: Convert to fraction form
    93,133.46/128,520.47 = 50,692.03/x
  3. Step 3: Cross multiply
    93,133.46x = 128,520.47 × 50,692.03
  4. Step 4: Simplify right side
    93,133.46x = 6,514,963,326.28
  5. Step 5: Solve for x
    x = 6,514,963,326.28/93,133.46
  6. Step 6: Final answer
    x = 69,952.98

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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.