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Finding the Fourth Proportional to 188,465.60, 282,698.40 and 167,470.40

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Solution

The fourth proportional to 188,465.60, 282,698.40 and 167,470.40 is: 251,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,465.60 : 282,698.40 = 167,470.40 : x
  2. Step 2: Convert to fraction form
    188,465.60/282,698.40 = 167,470.40/x
  3. Step 3: Cross multiply
    188,465.60x = 282,698.40 × 167,470.40
  4. Step 4: Simplify right side
    188,465.60x = 47,343,614,127.36
  5. Step 5: Solve for x
    x = 47,343,614,127.36/188,465.60
  6. Step 6: Final answer
    x = 251,205.60

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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.