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Finding the Fourth Proportional to 104,800.50, 144,635.63 and 59,490.72

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Solution

The fourth proportional to 104,800.50, 144,635.63 and 59,490.72 is: 82,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,800.50 : 144,635.63 = 59,490.72 : x
  2. Step 2: Convert to fraction form
    104,800.50/144,635.63 = 59,490.72/x
  3. Step 3: Cross multiply
    104,800.50x = 144,635.63 × 59,490.72
  4. Step 4: Simplify right side
    104,800.50x = 8,604,477,468.90
  5. Step 5: Solve for x
    x = 8,604,477,468.90/104,800.50
  6. Step 6: Final answer
    x = 82,103.40

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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.