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Finding the Fourth Proportional to 104,770.92, 144,518.58 and 63,916.38

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Solution

The fourth proportional to 104,770.92, 144,518.58 and 63,916.38 is: 88,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,770.92 : 144,518.58 = 63,916.38 : x
  2. Step 2: Convert to fraction form
    104,770.92/144,518.58 = 63,916.38/x
  3. Step 3: Cross multiply
    104,770.92x = 144,518.58 × 63,916.38
  4. Step 4: Simplify right side
    104,770.92x = 9,237,104,476.34
  5. Step 5: Solve for x
    x = 9,237,104,476.34/104,770.92
  6. Step 6: Final answer
    x = 88,164.77

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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.