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Finding the Fourth Proportional to 207,599.84, 286,534.41 and 135,938.24

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Solution

The fourth proportional to 207,599.84, 286,534.41 and 135,938.24 is: 187,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,599.84 : 286,534.41 = 135,938.24 : x
  2. Step 2: Convert to fraction form
    207,599.84/286,534.41 = 135,938.24/x
  3. Step 3: Cross multiply
    207,599.84x = 286,534.41 × 135,938.24
  4. Step 4: Simplify right side
    207,599.84x = 38,950,983,394.84
  5. Step 5: Solve for x
    x = 38,950,983,394.84/207,599.84
  6. Step 6: Final answer
    x = 187,625.31

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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.