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Finding the Fourth Proportional to 219,060.60, 302,303.64 and 118,458.60

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Solution

The fourth proportional to 219,060.60, 302,303.64 and 118,458.60 is: 163,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,060.60 : 302,303.64 = 118,458.60 : x
  2. Step 2: Convert to fraction form
    219,060.60/302,303.64 = 118,458.60/x
  3. Step 3: Cross multiply
    219,060.60x = 302,303.64 × 118,458.60
  4. Step 4: Simplify right side
    219,060.60x = 35,810,465,969.30
  5. Step 5: Solve for x
    x = 35,810,465,969.30/219,060.60
  6. Step 6: Final answer
    x = 163,472.87

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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.