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Finding the Fourth Proportional to 175,636.60, 263,066.10 and 144,532.60

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Solution

The fourth proportional to 175,636.60, 263,066.10 and 144,532.60 is: 216,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,636.60 : 263,066.10 = 144,532.60 : x
  2. Step 2: Convert to fraction form
    175,636.60/263,066.10 = 144,532.60/x
  3. Step 3: Cross multiply
    175,636.60x = 263,066.10 × 144,532.60
  4. Step 4: Simplify right side
    175,636.60x = 38,021,627,404.86
  5. Step 5: Solve for x
    x = 38,021,627,404.86/175,636.60
  6. Step 6: Final answer
    x = 216,478.95

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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.