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Finding the Fourth Proportional to 92,945.93, 128,265.51 and 52,662.41

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Solution

The fourth proportional to 92,945.93, 128,265.51 and 52,662.41 is: 72,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945.93 : 128,265.51 = 52,662.41 : x
  2. Step 2: Convert to fraction form
    92,945.93/128,265.51 = 52,662.41/x
  3. Step 3: Cross multiply
    92,945.93x = 128,265.51 × 52,662.41
  4. Step 4: Simplify right side
    92,945.93x = 6,754,771,338.90
  5. Step 5: Solve for x
    x = 6,754,771,338.90/92,945.93
  6. Step 6: Final answer
    x = 72,674.21

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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.