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Finding the Fourth Proportional to 225,303.68, 338,392.92 and 165,904.76

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Solution

The fourth proportional to 225,303.68, 338,392.92 and 165,904.76 is: 249,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,303.68 : 338,392.92 = 165,904.76 : x
  2. Step 2: Convert to fraction form
    225,303.68/338,392.92 = 165,904.76/x
  3. Step 3: Cross multiply
    225,303.68x = 338,392.92 × 165,904.76
  4. Step 4: Simplify right side
    225,303.68x = 56,140,996,178.30
  5. Step 5: Solve for x
    x = 56,140,996,178.30/225,303.68
  6. Step 6: Final answer
    x = 249,179.22

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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.