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Finding the Fourth Proportional to 219,567.38, 303,002.88 and 118,965.38

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Solution

The fourth proportional to 219,567.38, 303,002.88 and 118,965.38 is: 164,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,567.38 : 303,002.88 = 118,965.38 : x
  2. Step 2: Convert to fraction form
    219,567.38/303,002.88 = 118,965.38/x
  3. Step 3: Cross multiply
    219,567.38x = 303,002.88 × 118,965.38
  4. Step 4: Simplify right side
    219,567.38x = 36,046,852,760.29
  5. Step 5: Solve for x
    x = 36,046,852,760.29/219,567.38
  6. Step 6: Final answer
    x = 164,172.17

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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.