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Finding the Fourth Proportional to 272,990.70, 409,544.36 and 95,503.50

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Solution

The fourth proportional to 272,990.70, 409,544.36 and 95,503.50 is: 143,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,990.70 : 409,544.36 = 95,503.50 : x
  2. Step 2: Convert to fraction form
    272,990.70/409,544.36 = 95,503.50/x
  3. Step 3: Cross multiply
    272,990.70x = 409,544.36 × 95,503.50
  4. Step 4: Simplify right side
    272,990.70x = 39,112,919,307.74
  5. Step 5: Solve for x
    x = 39,112,919,307.74/272,990.70
  6. Step 6: Final answer
    x = 143,275.65

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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.