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Finding the Fourth Proportional to 154,063.80, 230,901.30 and 75,007.80

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Solution

The fourth proportional to 154,063.80, 230,901.30 and 75,007.80 is: 112,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,063.80 : 230,901.30 = 75,007.80 : x
  2. Step 2: Convert to fraction form
    154,063.80/230,901.30 = 75,007.80/x
  3. Step 3: Cross multiply
    154,063.80x = 230,901.30 × 75,007.80
  4. Step 4: Simplify right side
    154,063.80x = 17,319,398,530.14
  5. Step 5: Solve for x
    x = 17,319,398,530.14/154,063.80
  6. Step 6: Final answer
    x = 112,417.05

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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.