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Finding the Fourth Proportional to 223,127.99, 307,913.47 and 126,329.35

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Solution

The fourth proportional to 223,127.99, 307,913.47 and 126,329.35 is: 174,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,127.99 : 307,913.47 = 126,329.35 : x
  2. Step 2: Convert to fraction form
    223,127.99/307,913.47 = 126,329.35/x
  3. Step 3: Cross multiply
    223,127.99x = 307,913.47 × 126,329.35
  4. Step 4: Simplify right side
    223,127.99x = 38,898,508,521.34
  5. Step 5: Solve for x
    x = 38,898,508,521.34/223,127.99
  6. Step 6: Final answer
    x = 174,332.72

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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.