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Finding the Fourth Proportional to 144,400.96, 216,600.68 and 39,219.93

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Solution

The fourth proportional to 144,400.96, 216,600.68 and 39,219.93 is: 58,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,400.96 : 216,600.68 = 39,219.93 : x
  2. Step 2: Convert to fraction form
    144,400.96/216,600.68 = 39,219.93/x
  3. Step 3: Cross multiply
    144,400.96x = 216,600.68 × 39,219.93
  4. Step 4: Simplify right side
    144,400.96x = 8,495,063,605.60
  5. Step 5: Solve for x
    x = 8,495,063,605.60/144,400.96
  6. Step 6: Final answer
    x = 58,829.69

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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.