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Finding the Fourth Proportional to 153,963.70, 230,945.55 and 94,606.90

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Solution

The fourth proportional to 153,963.70, 230,945.55 and 94,606.90 is: 141,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,963.70 : 230,945.55 = 94,606.90 : x
  2. Step 2: Convert to fraction form
    153,963.70/230,945.55 = 94,606.90/x
  3. Step 3: Cross multiply
    153,963.70x = 230,945.55 × 94,606.90
  4. Step 4: Simplify right side
    153,963.70x = 21,849,042,554.30
  5. Step 5: Solve for x
    x = 21,849,042,554.30/153,963.70
  6. Step 6: Final answer
    x = 141,910.35

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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.