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Finding the Fourth Proportional to 255,539.04, 352,651.16 and 142,369.08

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Solution

The fourth proportional to 255,539.04, 352,651.16 and 142,369.08 is: 196,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,539.04 : 352,651.16 = 142,369.08 : x
  2. Step 2: Convert to fraction form
    255,539.04/352,651.16 = 142,369.08/x
  3. Step 3: Cross multiply
    255,539.04x = 352,651.16 × 142,369.08
  4. Step 4: Simplify right side
    255,539.04x = 50,206,621,210.13
  5. Step 5: Solve for x
    x = 50,206,621,210.13/255,539.04
  6. Step 6: Final answer
    x = 196,473.39

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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.