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Finding the Fourth Proportional to 92,893.52, 128,201.04 and 52,614.40

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Solution

The fourth proportional to 92,893.52, 128,201.04 and 52,614.40 is: 72,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.52 : 128,201.04 = 52,614.40 : x
  2. Step 2: Convert to fraction form
    92,893.52/128,201.04 = 52,614.40/x
  3. Step 3: Cross multiply
    92,893.52x = 128,201.04 × 52,614.40
  4. Step 4: Simplify right side
    92,893.52x = 6,745,220,798.98
  5. Step 5: Solve for x
    x = 6,745,220,798.98/92,893.52
  6. Step 6: Final answer
    x = 72,612.39

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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.