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Finding the Fourth Proportional to 164,087.60, 245,742.60 and 111,210.80

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Solution

The fourth proportional to 164,087.60, 245,742.60 and 111,210.80 is: 166,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,087.60 : 245,742.60 = 111,210.80 : x
  2. Step 2: Convert to fraction form
    164,087.60/245,742.60 = 111,210.80/x
  3. Step 3: Cross multiply
    164,087.60x = 245,742.60 × 111,210.80
  4. Step 4: Simplify right side
    164,087.60x = 27,329,231,140.08
  5. Step 5: Solve for x
    x = 27,329,231,140.08/164,087.60
  6. Step 6: Final answer
    x = 166,552.69

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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.