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Finding the Fourth Proportional to 118,166.46, 163,060.47 and 64,448.34

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Solution

The fourth proportional to 118,166.46, 163,060.47 and 64,448.34 is: 88,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,166.46 : 163,060.47 = 64,448.34 : x
  2. Step 2: Convert to fraction form
    118,166.46/163,060.47 = 64,448.34/x
  3. Step 3: Cross multiply
    118,166.46x = 163,060.47 × 64,448.34
  4. Step 4: Simplify right side
    118,166.46x = 10,508,976,611.12
  5. Step 5: Solve for x
    x = 10,508,976,611.12/118,166.46
  6. Step 6: Final answer
    x = 88,933.67

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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.