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Finding the Fourth Proportional to 118,832.29, 163,988.57 and 64,384.54

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Solution

The fourth proportional to 118,832.29, 163,988.57 and 64,384.54 is: 88,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,832.29 : 163,988.57 = 64,384.54 : x
  2. Step 2: Convert to fraction form
    118,832.29/163,988.57 = 64,384.54/x
  3. Step 3: Cross multiply
    118,832.29x = 163,988.57 × 64,384.54
  4. Step 4: Simplify right side
    118,832.29x = 10,558,328,644.71
  5. Step 5: Solve for x
    x = 10,558,328,644.71/118,832.29
  6. Step 6: Final answer
    x = 88,850.67

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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.