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Finding the Fourth Proportional to 246,765.52, 370,148.28 and 121,980.88

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Solution

The fourth proportional to 246,765.52, 370,148.28 and 121,980.88 is: 182,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,765.52 : 370,148.28 = 121,980.88 : x
  2. Step 2: Convert to fraction form
    246,765.52/370,148.28 = 121,980.88/x
  3. Step 3: Cross multiply
    246,765.52x = 370,148.28 × 121,980.88
  4. Step 4: Simplify right side
    246,765.52x = 45,151,012,924.89
  5. Step 5: Solve for x
    x = 45,151,012,924.89/246,765.52
  6. Step 6: Final answer
    x = 182,971.32

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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.