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Finding the Fourth Proportional to 187,674.16, 281,514.84 and 61,314.76

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Solution

The fourth proportional to 187,674.16, 281,514.84 and 61,314.76 is: 91,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,674.16 : 281,514.84 = 61,314.76 : x
  2. Step 2: Convert to fraction form
    187,674.16/281,514.84 = 61,314.76/x
  3. Step 3: Cross multiply
    187,674.16x = 281,514.84 × 61,314.76
  4. Step 4: Simplify right side
    187,674.16x = 17,261,014,851.04
  5. Step 5: Solve for x
    x = 17,261,014,851.04/187,674.16
  6. Step 6: Final answer
    x = 91,973.32

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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.