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Finding the Fourth Proportional to 104,403.66, 144,068.40 and 59,079.30

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Solution

The fourth proportional to 104,403.66, 144,068.40 and 59,079.30 is: 81,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403.66 : 144,068.40 = 59,079.30 : x
  2. Step 2: Convert to fraction form
    104,403.66/144,068.40 = 59,079.30/x
  3. Step 3: Cross multiply
    104,403.66x = 144,068.40 × 59,079.30
  4. Step 4: Simplify right side
    104,403.66x = 8,511,460,224.12
  5. Step 5: Solve for x
    x = 8,511,460,224.12/104,403.66
  6. Step 6: Final answer
    x = 81,524.54

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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.