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Finding the Fourth Proportional to 114,476.90, 157,979.00 and 63,486.77

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Solution

The fourth proportional to 114,476.90, 157,979.00 and 63,486.77 is: 87,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,476.90 : 157,979.00 = 63,486.77 : x
  2. Step 2: Convert to fraction form
    114,476.90/157,979.00 = 63,486.77/x
  3. Step 3: Cross multiply
    114,476.90x = 157,979.00 × 63,486.77
  4. Step 4: Simplify right side
    114,476.90x = 10,029,575,806.65
  5. Step 5: Solve for x
    x = 10,029,575,806.65/114,476.90
  6. Step 6: Final answer
    x = 87,612.23

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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.