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Finding the Fourth Proportional to 187,668.49, 258,983.22 and 101,627.51

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Solution

The fourth proportional to 187,668.49, 258,983.22 and 101,627.51 is: 140,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,668.49 : 258,983.22 = 101,627.51 : x
  2. Step 2: Convert to fraction form
    187,668.49/258,983.22 = 101,627.51/x
  3. Step 3: Cross multiply
    187,668.49x = 258,983.22 × 101,627.51
  4. Step 4: Simplify right side
    187,668.49x = 26,319,820,427.84
  5. Step 5: Solve for x
    x = 26,319,820,427.84/187,668.49
  6. Step 6: Final answer
    x = 140,246.35

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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.