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Finding the Fourth Proportional to 104,712.15, 144,506.01 and 59,391.98

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Solution

The fourth proportional to 104,712.15, 144,506.01 and 59,391.98 is: 81,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,712.15 : 144,506.01 = 59,391.98 : x
  2. Step 2: Convert to fraction form
    104,712.15/144,506.01 = 59,391.98/x
  3. Step 3: Cross multiply
    104,712.15x = 144,506.01 × 59,391.98
  4. Step 4: Simplify right side
    104,712.15x = 8,582,497,333.27
  5. Step 5: Solve for x
    x = 8,582,497,333.27/104,712.15
  6. Step 6: Final answer
    x = 81,962.76

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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.