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Finding the Fourth Proportional to 219,532.16, 302,952.48 and 118,929.92

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Solution

The fourth proportional to 219,532.16, 302,952.48 and 118,929.92 is: 164,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,532.16 : 302,952.48 = 118,929.92 : x
  2. Step 2: Convert to fraction form
    219,532.16/302,952.48 = 118,929.92/x
  3. Step 3: Cross multiply
    219,532.16x = 302,952.48 × 118,929.92
  4. Step 4: Simplify right side
    219,532.16x = 36,030,114,210.20
  5. Step 5: Solve for x
    x = 36,030,114,210.20/219,532.16
  6. Step 6: Final answer
    x = 164,122.26

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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.