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Finding the Fourth Proportional to 180,033, 248,445.54 and 100,545

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Solution

The fourth proportional to 180,033, 248,445.54 and 100,545 is: 138,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,033 : 248,445.54 = 100,545 : x
  2. Step 2: Convert to fraction form
    180,033/248,445.54 = 100,545/x
  3. Step 3: Cross multiply
    180,033x = 248,445.54 × 100,545
  4. Step 4: Simplify right side
    180,033x = 24,979,956,819.30
  5. Step 5: Solve for x
    x = 24,979,956,819.30/180,033
  6. Step 6: Final answer
    x = 138,752.10

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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.