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Finding the Fourth Proportional to 152,805.92, 229,219.92 and 63,970.08

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Solution

The fourth proportional to 152,805.92, 229,219.92 and 63,970.08 is: 95,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,805.92 : 229,219.92 = 63,970.08 : x
  2. Step 2: Convert to fraction form
    152,805.92/229,219.92 = 63,970.08/x
  3. Step 3: Cross multiply
    152,805.92x = 229,219.92 × 63,970.08
  4. Step 4: Simplify right side
    152,805.92x = 14,663,216,619.99
  5. Step 5: Solve for x
    x = 14,663,216,619.99/152,805.92
  6. Step 6: Final answer
    x = 95,959.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.