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Finding the Fourth Proportional to 106,700.76, 147,245.58 and 58,953.42

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Solution

The fourth proportional to 106,700.76, 147,245.58 and 58,953.42 is: 81,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,700.76 : 147,245.58 = 58,953.42 : x
  2. Step 2: Convert to fraction form
    106,700.76/147,245.58 = 58,953.42/x
  3. Step 3: Cross multiply
    106,700.76x = 147,245.58 × 58,953.42
  4. Step 4: Simplify right side
    106,700.76x = 8,680,630,520.88
  5. Step 5: Solve for x
    x = 8,680,630,520.88/106,700.76
  6. Step 6: Final answer
    x = 81,354.91

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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.