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Finding the Fourth Proportional to 144,354.58, 216,609.63 and 60,172.90

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Solution

The fourth proportional to 144,354.58, 216,609.63 and 60,172.90 is: 90,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,354.58 : 216,609.63 = 60,172.90 : x
  2. Step 2: Convert to fraction form
    144,354.58/216,609.63 = 60,172.90/x
  3. Step 3: Cross multiply
    144,354.58x = 216,609.63 × 60,172.90
  4. Step 4: Simplify right side
    144,354.58x = 13,034,029,605.03
  5. Step 5: Solve for x
    x = 13,034,029,605.03/144,354.58
  6. Step 6: Final answer
    x = 90,291.76

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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.