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Finding the Fourth Proportional to 114,043.68, 157,373.91 and 63,053.42

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Solution

The fourth proportional to 114,043.68, 157,373.91 and 63,053.42 is: 87,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,043.68 : 157,373.91 = 63,053.42 : x
  2. Step 2: Convert to fraction form
    114,043.68/157,373.91 = 63,053.42/x
  3. Step 3: Cross multiply
    114,043.68x = 157,373.91 × 63,053.42
  4. Step 4: Simplify right side
    114,043.68x = 9,922,962,457.40
  5. Step 5: Solve for x
    x = 9,922,962,457.40/114,043.68
  6. Step 6: Final answer
    x = 87,010.19

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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.