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Finding the Fourth Proportional to 165,049.60, 247,574.40 and 46,719.40

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Solution

The fourth proportional to 165,049.60, 247,574.40 and 46,719.40 is: 70,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,049.60 : 247,574.40 = 46,719.40 : x
  2. Step 2: Convert to fraction form
    165,049.60/247,574.40 = 46,719.40/x
  3. Step 3: Cross multiply
    165,049.60x = 247,574.40 × 46,719.40
  4. Step 4: Simplify right side
    165,049.60x = 11,566,527,423.36
  5. Step 5: Solve for x
    x = 11,566,527,423.36/165,049.60
  6. Step 6: Final answer
    x = 70,079.10

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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.