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Finding the Fourth Proportional to 114,479.51, 157,979.37 and 63,484.01

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Solution

The fourth proportional to 114,479.51, 157,979.37 and 63,484.01 is: 87,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,479.51 : 157,979.37 = 63,484.01 : x
  2. Step 2: Convert to fraction form
    114,479.51/157,979.37 = 63,484.01/x
  3. Step 3: Cross multiply
    114,479.51x = 157,979.37 × 63,484.01
  4. Step 4: Simplify right side
    114,479.51x = 10,029,164,834.10
  5. Step 5: Solve for x
    x = 10,029,164,834.10/114,479.51
  6. Step 6: Final answer
    x = 87,606.63

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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.