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Finding the Fourth Proportional to 233,641.20, 350,461.80 and 133,762.80

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Solution

The fourth proportional to 233,641.20, 350,461.80 and 133,762.80 is: 200,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,641.20 : 350,461.80 = 133,762.80 : x
  2. Step 2: Convert to fraction form
    233,641.20/350,461.80 = 133,762.80/x
  3. Step 3: Cross multiply
    233,641.20x = 350,461.80 × 133,762.80
  4. Step 4: Simplify right side
    233,641.20x = 46,878,751,661.04
  5. Step 5: Solve for x
    x = 46,878,751,661.04/233,641.20
  6. Step 6: Final answer
    x = 200,644.20

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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.