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Finding the Fourth Proportional to 174,058.70, 261,091.71 and 55,729.71

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Solution

The fourth proportional to 174,058.70, 261,091.71 and 55,729.71 is: 83,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,058.70 : 261,091.71 = 55,729.71 : x
  2. Step 2: Convert to fraction form
    174,058.70/261,091.71 = 55,729.71/x
  3. Step 3: Cross multiply
    174,058.70x = 261,091.71 × 55,729.71
  4. Step 4: Simplify right side
    174,058.70x = 14,550,565,281.70
  5. Step 5: Solve for x
    x = 14,550,565,281.70/174,058.70
  6. Step 6: Final answer
    x = 83,595.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.