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Finding the Fourth Proportional to 77,673.20, 116,596.20 and 48,124.40

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Solution

The fourth proportional to 77,673.20, 116,596.20 and 48,124.40 is: 72,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.20 : 116,596.20 = 48,124.40 : x
  2. Step 2: Convert to fraction form
    77,673.20/116,596.20 = 48,124.40/x
  3. Step 3: Cross multiply
    77,673.20x = 116,596.20 × 48,124.40
  4. Step 4: Simplify right side
    77,673.20x = 5,611,122,167.28
  5. Step 5: Solve for x
    x = 5,611,122,167.28/77,673.20
  6. Step 6: Final answer
    x = 72,240.13

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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.