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Finding the Fourth Proportional to 153,595.82, 211,958.58 and 89,076.58

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Solution

The fourth proportional to 153,595.82, 211,958.58 and 89,076.58 is: 122,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,595.82 : 211,958.58 = 89,076.58 : x
  2. Step 2: Convert to fraction form
    153,595.82/211,958.58 = 89,076.58/x
  3. Step 3: Cross multiply
    153,595.82x = 211,958.58 × 89,076.58
  4. Step 4: Simplify right side
    153,595.82x = 18,880,545,408.06
  5. Step 5: Solve for x
    x = 18,880,545,408.06/153,595.82
  6. Step 6: Final answer
    x = 122,923.56

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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.