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Finding the Fourth Proportional to 272,969.80, 376,688.58 and 152,104.84

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Solution

The fourth proportional to 272,969.80, 376,688.58 and 152,104.84 is: 209,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,969.80 : 376,688.58 = 152,104.84 : x
  2. Step 2: Convert to fraction form
    272,969.80/376,688.58 = 152,104.84/x
  3. Step 3: Cross multiply
    272,969.80x = 376,688.58 × 152,104.84
  4. Step 4: Simplify right side
    272,969.80x = 57,296,156,190.73
  5. Step 5: Solve for x
    x = 57,296,156,190.73/272,969.80
  6. Step 6: Final answer
    x = 209,899.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.