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Finding the Fourth Proportional to 113,187.60, 169,738.20 and 34,275.60

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Solution

The fourth proportional to 113,187.60, 169,738.20 and 34,275.60 is: 51,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.60 : 169,738.20 = 34,275.60 : x
  2. Step 2: Convert to fraction form
    113,187.60/169,738.20 = 34,275.60/x
  3. Step 3: Cross multiply
    113,187.60x = 169,738.20 × 34,275.60
  4. Step 4: Simplify right side
    113,187.60x = 5,817,878,647.92
  5. Step 5: Solve for x
    x = 5,817,878,647.92/113,187.60
  6. Step 6: Final answer
    x = 51,400.32

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1.5x scale

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.