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Finding the Fourth Proportional to 182,970.90, 252,654.84 and 115,009.76

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Solution

The fourth proportional to 182,970.90, 252,654.84 and 115,009.76 is: 158,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,970.90 : 252,654.84 = 115,009.76 : x
  2. Step 2: Convert to fraction form
    182,970.90/252,654.84 = 115,009.76/x
  3. Step 3: Cross multiply
    182,970.90x = 252,654.84 × 115,009.76
  4. Step 4: Simplify right side
    182,970.90x = 29,057,772,511.24
  5. Step 5: Solve for x
    x = 29,057,772,511.24/182,970.90
  6. Step 6: Final answer
    x = 158,810.90

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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.