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Finding the Fourth Proportional to 92,851.82, 128,136.92 and 50,410.35

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Solution

The fourth proportional to 92,851.82, 128,136.92 and 50,410.35 is: 69,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,851.82 : 128,136.92 = 50,410.35 : x
  2. Step 2: Convert to fraction form
    92,851.82/128,136.92 = 50,410.35/x
  3. Step 3: Cross multiply
    92,851.82x = 128,136.92 × 50,410.35
  4. Step 4: Simplify right side
    92,851.82x = 6,459,426,733.07
  5. Step 5: Solve for x
    x = 6,459,426,733.07/92,851.82
  6. Step 6: Final answer
    x = 69,567.05

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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.