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Finding the Fourth Proportional to 176,896.70, 243,702.15 and 123,089.30

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Solution

The fourth proportional to 176,896.70, 243,702.15 and 123,089.30 is: 169,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,896.70 : 243,702.15 = 123,089.30 : x
  2. Step 2: Convert to fraction form
    176,896.70/243,702.15 = 123,089.30/x
  3. Step 3: Cross multiply
    176,896.70x = 243,702.15 × 123,089.30
  4. Step 4: Simplify right side
    176,896.70x = 29,997,127,052.00
  5. Step 5: Solve for x
    x = 29,997,127,052.00/176,896.70
  6. Step 6: Final answer
    x = 169,574.26

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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.