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Finding the Fourth Proportional to 229,887.90, 344,859.48 and 76,019.07

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Solution

The fourth proportional to 229,887.90, 344,859.48 and 76,019.07 is: 114,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,887.90 : 344,859.48 = 76,019.07 : x
  2. Step 2: Convert to fraction form
    229,887.90/344,859.48 = 76,019.07/x
  3. Step 3: Cross multiply
    229,887.90x = 344,859.48 × 76,019.07
  4. Step 4: Simplify right side
    229,887.90x = 26,215,896,950.28
  5. Step 5: Solve for x
    x = 26,215,896,950.28/229,887.90
  6. Step 6: Final answer
    x = 114,037.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.