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Finding the Fourth Proportional to 92,959.47, 128,268.23 and 52,664.91

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Solution

The fourth proportional to 92,959.47, 128,268.23 and 52,664.91 is: 72,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,959.47 : 128,268.23 = 52,664.91 : x
  2. Step 2: Convert to fraction form
    92,959.47/128,268.23 = 52,664.91/x
  3. Step 3: Cross multiply
    92,959.47x = 128,268.23 × 52,664.91
  4. Step 4: Simplify right side
    92,959.47x = 6,755,234,525.48
  5. Step 5: Solve for x
    x = 6,755,234,525.48/92,959.47
  6. Step 6: Final answer
    x = 72,668.60

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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.