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Finding the Fourth Proportional to 219,569.30, 303,005.70 and 118,967.30

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Solution

The fourth proportional to 219,569.30, 303,005.70 and 118,967.30 is: 164,174.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,569.30 : 303,005.70 = 118,967.30 : x
  2. Step 2: Convert to fraction form
    219,569.30/303,005.70 = 118,967.30/x
  3. Step 3: Cross multiply
    219,569.30x = 303,005.70 × 118,967.30
  4. Step 4: Simplify right side
    219,569.30x = 36,047,770,013.61
  5. Step 5: Solve for x
    x = 36,047,770,013.61/219,569.30
  6. Step 6: Final answer
    x = 164,174.91

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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.