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Finding the Fourth Proportional to 219,058.77, 302,301.14 and 118,456.77

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Solution

The fourth proportional to 219,058.77, 302,301.14 and 118,456.77 is: 163,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,058.77 : 302,301.14 = 118,456.77 : x
  2. Step 2: Convert to fraction form
    219,058.77/302,301.14 = 118,456.77/x
  3. Step 3: Cross multiply
    219,058.77x = 302,301.14 × 118,456.77
  4. Step 4: Simplify right side
    219,058.77x = 35,809,616,019.43
  5. Step 5: Solve for x
    x = 35,809,616,019.43/219,058.77
  6. Step 6: Final answer
    x = 163,470.36

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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.