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Finding the Fourth Proportional to 219,254.52, 302,571.54 and 118,652.52

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Solution

The fourth proportional to 219,254.52, 302,571.54 and 118,652.52 is: 163,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,254.52 : 302,571.54 = 118,652.52 : x
  2. Step 2: Convert to fraction form
    219,254.52/302,571.54 = 118,652.52/x
  3. Step 3: Cross multiply
    219,254.52x = 302,571.54 × 118,652.52
  4. Step 4: Simplify right side
    219,254.52x = 35,900,875,701.28
  5. Step 5: Solve for x
    x = 35,900,875,701.28/219,254.52
  6. Step 6: Final answer
    x = 163,740.64

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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.