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Finding the Fourth Proportional to 114,058.86, 157,348.91 and 73,785.61

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Solution

The fourth proportional to 114,058.86, 157,348.91 and 73,785.61 is: 101,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,058.86 : 157,348.91 = 73,785.61 : x
  2. Step 2: Convert to fraction form
    114,058.86/157,348.91 = 73,785.61/x
  3. Step 3: Cross multiply
    114,058.86x = 157,348.91 × 73,785.61
  4. Step 4: Simplify right side
    114,058.86x = 11,610,085,307.19
  5. Step 5: Solve for x
    x = 11,610,085,307.19/114,058.86
  6. Step 6: Final answer
    x = 101,790.30

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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.