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Finding the Fourth Proportional to 230,902.72, 346,047.90 and 118,578.40

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Solution

The fourth proportional to 230,902.72, 346,047.90 and 118,578.40 is: 177,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,902.72 : 346,047.90 = 118,578.40 : x
  2. Step 2: Convert to fraction form
    230,902.72/346,047.90 = 118,578.40/x
  3. Step 3: Cross multiply
    230,902.72x = 346,047.90 × 118,578.40
  4. Step 4: Simplify right side
    230,902.72x = 41,033,806,305.36
  5. Step 5: Solve for x
    x = 41,033,806,305.36/230,902.72
  6. Step 6: Final answer
    x = 177,710.36

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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.