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Finding the Fourth Proportional to 225,034.88, 310,535.37 and 123,041.30

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Solution

The fourth proportional to 225,034.88, 310,535.37 and 123,041.30 is: 169,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,034.88 : 310,535.37 = 123,041.30 : x
  2. Step 2: Convert to fraction form
    225,034.88/310,535.37 = 123,041.30/x
  3. Step 3: Cross multiply
    225,034.88x = 310,535.37 × 123,041.30
  4. Step 4: Simplify right side
    225,034.88x = 38,208,674,068.10
  5. Step 5: Solve for x
    x = 38,208,674,068.10/225,034.88
  6. Step 6: Final answer
    x = 169,790.01

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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.