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Finding the Fourth Proportional to 118,037.36, 162,890.65 and 64,322.21

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Solution

The fourth proportional to 118,037.36, 162,890.65 and 64,322.21 is: 88,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,037.36 : 162,890.65 = 64,322.21 : x
  2. Step 2: Convert to fraction form
    118,037.36/162,890.65 = 64,322.21/x
  3. Step 3: Cross multiply
    118,037.36x = 162,890.65 × 64,322.21
  4. Step 4: Simplify right side
    118,037.36x = 10,477,486,596.34
  5. Step 5: Solve for x
    x = 10,477,486,596.34/118,037.36
  6. Step 6: Final answer
    x = 88,764.16

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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.