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Finding the Fourth Proportional to 175,252.80, 262,879.20 and 64,430.40

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Solution

The fourth proportional to 175,252.80, 262,879.20 and 64,430.40 is: 96,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,252.80 : 262,879.20 = 64,430.40 : x
  2. Step 2: Convert to fraction form
    175,252.80/262,879.20 = 64,430.40/x
  3. Step 3: Cross multiply
    175,252.80x = 262,879.20 × 64,430.40
  4. Step 4: Simplify right side
    175,252.80x = 16,937,412,007.68
  5. Step 5: Solve for x
    x = 16,937,412,007.68/175,252.80
  6. Step 6: Final answer
    x = 96,645.60

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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.