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Finding the Fourth Proportional to 266,672.34, 368,100.50 and 153,540.18

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Solution

The fourth proportional to 266,672.34, 368,100.50 and 153,540.18 is: 211,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,672.34 : 368,100.50 = 153,540.18 : x
  2. Step 2: Convert to fraction form
    266,672.34/368,100.50 = 153,540.18/x
  3. Step 3: Cross multiply
    266,672.34x = 368,100.50 × 153,540.18
  4. Step 4: Simplify right side
    266,672.34x = 56,518,216,260.39
  5. Step 5: Solve for x
    x = 56,518,216,260.39/266,672.34
  6. Step 6: Final answer
    x = 211,938.80

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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.