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Finding the Fourth Proportional to 225,934.58, 311,790.10 and 125,332.58

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Solution

The fourth proportional to 225,934.58, 311,790.10 and 125,332.58 is: 172,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,934.58 : 311,790.10 = 125,332.58 : x
  2. Step 2: Convert to fraction form
    225,934.58/311,790.10 = 125,332.58/x
  3. Step 3: Cross multiply
    225,934.58x = 311,790.10 × 125,332.58
  4. Step 4: Simplify right side
    225,934.58x = 39,077,457,651.46
  5. Step 5: Solve for x
    x = 39,077,457,651.46/225,934.58
  6. Step 6: Final answer
    x = 172,959.17

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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.