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Finding the Fourth Proportional to 77,015.98, 106,237.69 and 46,367.74

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Solution

The fourth proportional to 77,015.98, 106,237.69 and 46,367.74 is: 63,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,015.98 : 106,237.69 = 46,367.74 : x
  2. Step 2: Convert to fraction form
    77,015.98/106,237.69 = 46,367.74/x
  3. Step 3: Cross multiply
    77,015.98x = 106,237.69 × 46,367.74
  4. Step 4: Simplify right side
    77,015.98x = 4,926,001,206.61
  5. Step 5: Solve for x
    x = 4,926,001,206.61/77,015.98
  6. Step 6: Final answer
    x = 63,960.77

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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.