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Finding the Fourth Proportional to 104,353.56, 144,006.80 and 56,606.49

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Solution

The fourth proportional to 104,353.56, 144,006.80 and 56,606.49 is: 78,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,353.56 : 144,006.80 = 56,606.49 : x
  2. Step 2: Convert to fraction form
    104,353.56/144,006.80 = 56,606.49/x
  3. Step 3: Cross multiply
    104,353.56x = 144,006.80 × 56,606.49
  4. Step 4: Simplify right side
    104,353.56x = 8,151,719,201.10
  5. Step 5: Solve for x
    x = 8,151,719,201.10/104,353.56
  6. Step 6: Final answer
    x = 78,116.35

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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.