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Finding the Fourth Proportional to 207,956.77, 286,958.79 and 153,537.89

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Solution

The fourth proportional to 207,956.77, 286,958.79 and 153,537.89 is: 211,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,956.77 : 286,958.79 = 153,537.89 : x
  2. Step 2: Convert to fraction form
    207,956.77/286,958.79 = 153,537.89/x
  3. Step 3: Cross multiply
    207,956.77x = 286,958.79 × 153,537.89
  4. Step 4: Simplify right side
    207,956.77x = 44,059,045,698.76
  5. Step 5: Solve for x
    x = 44,059,045,698.76/207,956.77
  6. Step 6: Final answer
    x = 211,866.37

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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.