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Finding the Fourth Proportional to 243,033.70, 335,416.80 and 141,037.26

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Solution

The fourth proportional to 243,033.70, 335,416.80 and 141,037.26 is: 194,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,033.70 : 335,416.80 = 141,037.26 : x
  2. Step 2: Convert to fraction form
    243,033.70/335,416.80 = 141,037.26/x
  3. Step 3: Cross multiply
    243,033.70x = 335,416.80 × 141,037.26
  4. Step 4: Simplify right side
    243,033.70x = 47,306,266,429.97
  5. Step 5: Solve for x
    x = 47,306,266,429.97/243,033.70
  6. Step 6: Final answer
    x = 194,649.00

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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.