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Finding the Fourth Proportional to 207,604.82, 286,500.35 and 127,030.88

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Solution

The fourth proportional to 207,604.82, 286,500.35 and 127,030.88 is: 175,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,604.82 : 286,500.35 = 127,030.88 : x
  2. Step 2: Convert to fraction form
    207,604.82/286,500.35 = 127,030.88/x
  3. Step 3: Cross multiply
    207,604.82x = 286,500.35 × 127,030.88
  4. Step 4: Simplify right side
    207,604.82x = 36,394,390,465.88
  5. Step 5: Solve for x
    x = 36,394,390,465.88/207,604.82
  6. Step 6: Final answer
    x = 175,306.10

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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.