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Finding the Fourth Proportional to 178,230, 245,986.58 and 101,752.27

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Solution

The fourth proportional to 178,230, 245,986.58 and 101,752.27 is: 140,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,230 : 245,986.58 = 101,752.27 : x
  2. Step 2: Convert to fraction form
    178,230/245,986.58 = 101,752.27/x
  3. Step 3: Cross multiply
    178,230x = 245,986.58 × 101,752.27
  4. Step 4: Simplify right side
    178,230x = 25,029,692,904.54
  5. Step 5: Solve for x
    x = 25,029,692,904.54/178,230
  6. Step 6: Final answer
    x = 140,434.79

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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.