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Finding the Fourth Proportional to 295,060.60, 442,080.60 and 136,964.80

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Solution

The fourth proportional to 295,060.60, 442,080.60 and 136,964.80 is: 205,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,060.60 : 442,080.60 = 136,964.80 : x
  2. Step 2: Convert to fraction form
    295,060.60/442,080.60 = 136,964.80/x
  3. Step 3: Cross multiply
    295,060.60x = 442,080.60 × 136,964.80
  4. Step 4: Simplify right side
    295,060.60x = 60,549,480,962.88
  5. Step 5: Solve for x
    x = 60,549,480,962.88/295,060.60
  6. Step 6: Final answer
    x = 205,210.32

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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.