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Finding the Fourth Proportional to 118,284.48, 163,232.64 and 67,980.48

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Solution

The fourth proportional to 118,284.48, 163,232.64 and 67,980.48 is: 93,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,284.48 : 163,232.64 = 67,980.48 : x
  2. Step 2: Convert to fraction form
    118,284.48/163,232.64 = 67,980.48/x
  3. Step 3: Cross multiply
    118,284.48x = 163,232.64 × 67,980.48
  4. Step 4: Simplify right side
    118,284.48x = 11,096,633,218.87
  5. Step 5: Solve for x
    x = 11,096,633,218.87/118,284.48
  6. Step 6: Final answer
    x = 93,813.10

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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.