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Finding the Fourth Proportional to 187,497.37, 258,751.53 and 106,938.01

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Solution

The fourth proportional to 187,497.37, 258,751.53 and 106,938.01 is: 147,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,497.37 : 258,751.53 = 106,938.01 : x
  2. Step 2: Convert to fraction form
    187,497.37/258,751.53 = 106,938.01/x
  3. Step 3: Cross multiply
    187,497.37x = 258,751.53 × 106,938.01
  4. Step 4: Simplify right side
    187,497.37x = 27,670,373,055.78
  5. Step 5: Solve for x
    x = 27,670,373,055.78/187,497.37
  6. Step 6: Final answer
    x = 147,577.39

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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.