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Finding the Fourth Proportional to 73,160.61, 100,960.18 and 40,895.07

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Solution

The fourth proportional to 73,160.61, 100,960.18 and 40,895.07 is: 56,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,160.61 : 100,960.18 = 40,895.07 : x
  2. Step 2: Convert to fraction form
    73,160.61/100,960.18 = 40,895.07/x
  3. Step 3: Cross multiply
    73,160.61x = 100,960.18 × 40,895.07
  4. Step 4: Simplify right side
    73,160.61x = 4,128,773,628.31
  5. Step 5: Solve for x
    x = 4,128,773,628.31/73,160.61
  6. Step 6: Final answer
    x = 56,434.38

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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.