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Finding the Fourth Proportional to 69,381.81, 95,681.91 and 46,056.99

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Solution

The fourth proportional to 69,381.81, 95,681.91 and 46,056.99 is: 63,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,381.81 : 95,681.91 = 46,056.99 : x
  2. Step 2: Convert to fraction form
    69,381.81/95,681.91 = 46,056.99/x
  3. Step 3: Cross multiply
    69,381.81x = 95,681.91 × 46,056.99
  4. Step 4: Simplify right side
    69,381.81x = 4,406,820,772.05
  5. Step 5: Solve for x
    x = 4,406,820,772.05/69,381.81
  6. Step 6: Final answer
    x = 63,515.51

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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.