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Finding the Fourth Proportional to 114,554.48, 171,762.62 and 51,363.16

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Solution

The fourth proportional to 114,554.48, 171,762.62 and 51,363.16 is: 77,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,554.48 : 171,762.62 = 51,363.16 : x
  2. Step 2: Convert to fraction form
    114,554.48/171,762.62 = 51,363.16/x
  3. Step 3: Cross multiply
    114,554.48x = 171,762.62 × 51,363.16
  4. Step 4: Simplify right side
    114,554.48x = 8,822,270,246.86
  5. Step 5: Solve for x
    x = 8,822,270,246.86/114,554.48
  6. Step 6: Final answer
    x = 77,013.75

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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.