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Finding the Fourth Proportional to 114,310.69, 157,790.16 and 93,053.05

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Solution

The fourth proportional to 114,310.69, 157,790.16 and 93,053.05 is: 128,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,310.69 : 157,790.16 = 93,053.05 : x
  2. Step 2: Convert to fraction form
    114,310.69/157,790.16 = 93,053.05/x
  3. Step 3: Cross multiply
    114,310.69x = 157,790.16 × 93,053.05
  4. Step 4: Simplify right side
    114,310.69x = 14,682,854,393.77
  5. Step 5: Solve for x
    x = 14,682,854,393.77/114,310.69
  6. Step 6: Final answer
    x = 128,446.91

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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.