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Finding the Fourth Proportional to 144,633.60, 216,950.40 and 39,452.40

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Solution

The fourth proportional to 144,633.60, 216,950.40 and 39,452.40 is: 59,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,633.60 : 216,950.40 = 39,452.40 : x
  2. Step 2: Convert to fraction form
    144,633.60/216,950.40 = 39,452.40/x
  3. Step 3: Cross multiply
    144,633.60x = 216,950.40 × 39,452.40
  4. Step 4: Simplify right side
    144,633.60x = 8,559,213,960.96
  5. Step 5: Solve for x
    x = 8,559,213,960.96/144,633.60
  6. Step 6: Final answer
    x = 59,178.60

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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.