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Finding the Fourth Proportional to 77,596.40, 116,542.22 and 48,219.51

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Solution

The fourth proportional to 77,596.40, 116,542.22 and 48,219.51 is: 72,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,596.40 : 116,542.22 = 48,219.51 : x
  2. Step 2: Convert to fraction form
    77,596.40/116,542.22 = 48,219.51/x
  3. Step 3: Cross multiply
    77,596.40x = 116,542.22 × 48,219.51
  4. Step 4: Simplify right side
    77,596.40x = 5,619,608,501.61
  5. Step 5: Solve for x
    x = 5,619,608,501.61/77,596.40
  6. Step 6: Final answer
    x = 72,421.00

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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.