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Finding the Fourth Proportional to 153,263.48, 229,894.96 and 48,090.64

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Solution

The fourth proportional to 153,263.48, 229,894.96 and 48,090.64 is: 72,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,263.48 : 229,894.96 = 48,090.64 : x
  2. Step 2: Convert to fraction form
    153,263.48/229,894.96 = 48,090.64/x
  3. Step 3: Cross multiply
    153,263.48x = 229,894.96 × 48,090.64
  4. Step 4: Simplify right side
    153,263.48x = 11,055,795,759.17
  5. Step 5: Solve for x
    x = 11,055,795,759.17/153,263.48
  6. Step 6: Final answer
    x = 72,135.88

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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.