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Finding the Fourth Proportional to 125,570.76, 173,289.06 and 68,210.58

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Solution

The fourth proportional to 125,570.76, 173,289.06 and 68,210.58 is: 94,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,570.76 : 173,289.06 = 68,210.58 : x
  2. Step 2: Convert to fraction form
    125,570.76/173,289.06 = 68,210.58/x
  3. Step 3: Cross multiply
    125,570.76x = 173,289.06 × 68,210.58
  4. Step 4: Simplify right side
    125,570.76x = 11,820,147,290.25
  5. Step 5: Solve for x
    x = 11,820,147,290.25/125,570.76
  6. Step 6: Final answer
    x = 94,131.37

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1.5x scale

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.