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Finding the Fourth Proportional to 207,804.04, 286,873.86 and 136,293.64

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Solution

The fourth proportional to 207,804.04, 286,873.86 and 136,293.64 is: 188,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,804.04 : 286,873.86 = 136,293.64 : x
  2. Step 2: Convert to fraction form
    207,804.04/286,873.86 = 136,293.64/x
  3. Step 3: Cross multiply
    207,804.04x = 286,873.86 × 136,293.64
  4. Step 4: Simplify right side
    207,804.04x = 39,099,082,600.25
  5. Step 5: Solve for x
    x = 39,099,082,600.25/207,804.04
  6. Step 6: Final answer
    x = 188,153.62

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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.