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Finding the Fourth Proportional to 250,950.48, 346,303.89 and 136,223.70

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Solution

The fourth proportional to 250,950.48, 346,303.89 and 136,223.70 is: 187,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,950.48 : 346,303.89 = 136,223.70 : x
  2. Step 2: Convert to fraction form
    250,950.48/346,303.89 = 136,223.70/x
  3. Step 3: Cross multiply
    250,950.48x = 346,303.89 × 136,223.70
  4. Step 4: Simplify right side
    250,950.48x = 47,174,797,220.19
  5. Step 5: Solve for x
    x = 47,174,797,220.19/250,950.48
  6. Step 6: Final answer
    x = 187,984.49

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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.