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Finding the Fourth Proportional to 91,812.94, 137,703.57 and 24,345.45

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Solution

The fourth proportional to 91,812.94, 137,703.57 and 24,345.45 is: 36,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,812.94 : 137,703.57 = 24,345.45 : x
  2. Step 2: Convert to fraction form
    91,812.94/137,703.57 = 24,345.45/x
  3. Step 3: Cross multiply
    91,812.94x = 137,703.57 × 24,345.45
  4. Step 4: Simplify right side
    91,812.94x = 3,352,455,378.26
  5. Step 5: Solve for x
    x = 3,352,455,378.26/91,812.94
  6. Step 6: Final answer
    x = 36,513.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.