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Finding the Fourth Proportional to 223,033.50, 307,782.59 and 127,536.93

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Solution

The fourth proportional to 223,033.50, 307,782.59 and 127,536.93 is: 175,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,033.50 : 307,782.59 = 127,536.93 : x
  2. Step 2: Convert to fraction form
    223,033.50/307,782.59 = 127,536.93/x
  3. Step 3: Cross multiply
    223,033.50x = 307,782.59 × 127,536.93
  4. Step 4: Simplify right side
    223,033.50x = 39,253,645,998.36
  5. Step 5: Solve for x
    x = 39,253,645,998.36/223,033.50
  6. Step 6: Final answer
    x = 175,998.88

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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.