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Finding the Fourth Proportional to 157,363.94, 235,810.20 and 68,569.32

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Solution

The fourth proportional to 157,363.94, 235,810.20 and 68,569.32 is: 102,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,363.94 : 235,810.20 = 68,569.32 : x
  2. Step 2: Convert to fraction form
    157,363.94/235,810.20 = 68,569.32/x
  3. Step 3: Cross multiply
    157,363.94x = 235,810.20 × 68,569.32
  4. Step 4: Simplify right side
    157,363.94x = 16,169,345,063.06
  5. Step 5: Solve for x
    x = 16,169,345,063.06/157,363.94
  6. Step 6: Final answer
    x = 102,751.27

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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.