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Finding the Fourth Proportional to 144,498.90, 216,764.55 and 44,658.30

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Solution

The fourth proportional to 144,498.90, 216,764.55 and 44,658.30 is: 66,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,498.90 : 216,764.55 = 44,658.30 : x
  2. Step 2: Convert to fraction form
    144,498.90/216,764.55 = 44,658.30/x
  3. Step 3: Cross multiply
    144,498.90x = 216,764.55 × 44,658.30
  4. Step 4: Simplify right side
    144,498.90x = 9,680,336,303.27
  5. Step 5: Solve for x
    x = 9,680,336,303.27/144,498.90
  6. Step 6: Final answer
    x = 66,992.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.