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Finding the Fourth Proportional to 117,600.62, 162,289.98 and 63,886.68

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Solution

The fourth proportional to 117,600.62, 162,289.98 and 63,886.68 is: 88,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,600.62 : 162,289.98 = 63,886.68 : x
  2. Step 2: Convert to fraction form
    117,600.62/162,289.98 = 63,886.68/x
  3. Step 3: Cross multiply
    117,600.62x = 162,289.98 × 63,886.68
  4. Step 4: Simplify right side
    117,600.62x = 10,368,168,019.47
  5. Step 5: Solve for x
    x = 10,368,168,019.47/117,600.62
  6. Step 6: Final answer
    x = 88,164.23

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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.