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Finding the Fourth Proportional to 219,058.60, 302,300.88 and 118,456.60

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Solution

The fourth proportional to 219,058.60, 302,300.88 and 118,456.60 is: 163,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,058.60 : 302,300.88 = 118,456.60 : x
  2. Step 2: Convert to fraction form
    219,058.60/302,300.88 = 118,456.60/x
  3. Step 3: Cross multiply
    219,058.60x = 302,300.88 × 118,456.60
  4. Step 4: Simplify right side
    219,058.60x = 35,809,534,421.81
  5. Step 5: Solve for x
    x = 35,809,534,421.81/219,058.60
  6. Step 6: Final answer
    x = 163,470.11

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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.