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Finding the Fourth Proportional to 117,477.97, 162,119.72 and 63,762.98

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Solution

The fourth proportional to 117,477.97, 162,119.72 and 63,762.98 is: 87,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,477.97 : 162,119.72 = 63,762.98 : x
  2. Step 2: Convert to fraction form
    117,477.97/162,119.72 = 63,762.98/x
  3. Step 3: Cross multiply
    117,477.97x = 162,119.72 × 63,762.98
  4. Step 4: Simplify right side
    117,477.97x = 10,337,235,812.77
  5. Step 5: Solve for x
    x = 10,337,235,812.77/117,477.97
  6. Step 6: Final answer
    x = 87,992.97

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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.