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Finding the Fourth Proportional to 216,576, 298,859.70 and 125,925.53

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Solution

The fourth proportional to 216,576, 298,859.70 and 125,925.53 is: 173,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,576 : 298,859.70 = 125,925.53 : x
  2. Step 2: Convert to fraction form
    216,576/298,859.70 = 125,925.53/x
  3. Step 3: Cross multiply
    216,576x = 298,859.70 × 125,925.53
  4. Step 4: Simplify right side
    216,576x = 37,634,066,118.14
  5. Step 5: Solve for x
    x = 37,634,066,118.14/216,576
  6. Step 6: Final answer
    x = 173,768.41

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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.