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Finding the Fourth Proportional to 225,603.37, 311,332.65 and 125,001.37

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Solution

The fourth proportional to 225,603.37, 311,332.65 and 125,001.37 is: 172,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,603.37 : 311,332.65 = 125,001.37 : x
  2. Step 2: Convert to fraction form
    225,603.37/311,332.65 = 125,001.37/x
  3. Step 3: Cross multiply
    225,603.37x = 311,332.65 × 125,001.37
  4. Step 4: Simplify right side
    225,603.37x = 38,917,006,219.07
  5. Step 5: Solve for x
    x = 38,917,006,219.07/225,603.37
  6. Step 6: Final answer
    x = 172,501.89

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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.