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Finding the Fourth Proportional to 152,801.52, 210,865.36 and 84,819.32

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Solution

The fourth proportional to 152,801.52, 210,865.36 and 84,819.32 is: 117,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,801.52 : 210,865.36 = 84,819.32 : x
  2. Step 2: Convert to fraction form
    152,801.52/210,865.36 = 84,819.32/x
  3. Step 3: Cross multiply
    152,801.52x = 210,865.36 × 84,819.32
  4. Step 4: Simplify right side
    152,801.52x = 17,885,456,446.76
  5. Step 5: Solve for x
    x = 17,885,456,446.76/152,801.52
  6. Step 6: Final answer
    x = 117,050.25

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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.