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Finding the Fourth Proportional to 92,893.79, 128,197.95 and 52,609.25

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Solution

The fourth proportional to 92,893.79, 128,197.95 and 52,609.25 is: 72,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.79 : 128,197.95 = 52,609.25 : x
  2. Step 2: Convert to fraction form
    92,893.79/128,197.95 = 52,609.25/x
  3. Step 3: Cross multiply
    92,893.79x = 128,197.95 × 52,609.25
  4. Step 4: Simplify right side
    92,893.79x = 6,744,398,001.04
  5. Step 5: Solve for x
    x = 6,744,398,001.04/92,893.79
  6. Step 6: Final answer
    x = 72,603.32

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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.