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Finding the Fourth Proportional to 255,127.58, 352,119.20 and 147,762.88

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Solution

The fourth proportional to 255,127.58, 352,119.20 and 147,762.88 is: 203,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,127.58 : 352,119.20 = 147,762.88 : x
  2. Step 2: Convert to fraction form
    255,127.58/352,119.20 = 147,762.88/x
  3. Step 3: Cross multiply
    255,127.58x = 352,119.20 × 147,762.88
  4. Step 4: Simplify right side
    255,127.58x = 52,030,147,095.30
  5. Step 5: Solve for x
    x = 52,030,147,095.30/255,127.58
  6. Step 6: Final answer
    x = 203,937.76

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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.