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Finding the Fourth Proportional to 187,598.51, 258,883.97 and 101,555.56

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Solution

The fourth proportional to 187,598.51, 258,883.97 and 101,555.56 is: 140,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,598.51 : 258,883.97 = 101,555.56 : x
  2. Step 2: Convert to fraction form
    187,598.51/258,883.97 = 101,555.56/x
  3. Step 3: Cross multiply
    187,598.51x = 258,883.97 × 101,555.56
  4. Step 4: Simplify right side
    187,598.51x = 26,291,106,548.37
  5. Step 5: Solve for x
    x = 26,291,106,548.37/187,598.51
  6. Step 6: Final answer
    x = 140,145.60

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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.