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Finding the Fourth Proportional to 165,573.84, 228,485.54 and 93,949.59

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Solution

The fourth proportional to 165,573.84, 228,485.54 and 93,949.59 is: 129,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,573.84 : 228,485.54 = 93,949.59 : x
  2. Step 2: Convert to fraction form
    165,573.84/228,485.54 = 93,949.59/x
  3. Step 3: Cross multiply
    165,573.84x = 228,485.54 × 93,949.59
  4. Step 4: Simplify right side
    165,573.84x = 21,466,121,661.50
  5. Step 5: Solve for x
    x = 21,466,121,661.50/165,573.84
  6. Step 6: Final answer
    x = 129,646.82

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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.