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Finding the Fourth Proportional to 92,977.50, 128,293.08 and 52,682.94

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Solution

The fourth proportional to 92,977.50, 128,293.08 and 52,682.94 is: 72,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.50 : 128,293.08 = 52,682.94 : x
  2. Step 2: Convert to fraction form
    92,977.50/128,293.08 = 52,682.94/x
  3. Step 3: Cross multiply
    92,977.50x = 128,293.08 × 52,682.94
  4. Step 4: Simplify right side
    92,977.50x = 6,758,856,636.06
  5. Step 5: Solve for x
    x = 6,758,856,636.06/92,977.50
  6. Step 6: Final answer
    x = 72,693.46

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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.