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Finding the Fourth Proportional to 144,630.10, 216,925.15 and 44,858.90

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Solution

The fourth proportional to 144,630.10, 216,925.15 and 44,858.90 is: 67,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,630.10 : 216,925.15 = 44,858.90 : x
  2. Step 2: Convert to fraction form
    144,630.10/216,925.15 = 44,858.90/x
  3. Step 3: Cross multiply
    144,630.10x = 216,925.15 × 44,858.90
  4. Step 4: Simplify right side
    144,630.10x = 9,731,023,611.34
  5. Step 5: Solve for x
    x = 9,731,023,611.34/144,630.10
  6. Step 6: Final answer
    x = 67,282.15

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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.