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Finding the Fourth Proportional to 253,929.51, 380,774.88 and 93,894.87

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Solution

The fourth proportional to 253,929.51, 380,774.88 and 93,894.87 is: 140,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,929.51 : 380,774.88 = 93,894.87 : x
  2. Step 2: Convert to fraction form
    253,929.51/380,774.88 = 93,894.87/x
  3. Step 3: Cross multiply
    253,929.51x = 380,774.88 × 93,894.87
  4. Step 4: Simplify right side
    253,929.51x = 35,752,807,856.87
  5. Step 5: Solve for x
    x = 35,752,807,856.87/253,929.51
  6. Step 6: Final answer
    x = 140,798.16

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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.