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Finding the Fourth Proportional to 183,445.17, 253,047.08 and 115,354.35

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Solution

The fourth proportional to 183,445.17, 253,047.08 and 115,354.35 is: 159,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,445.17 : 253,047.08 = 115,354.35 : x
  2. Step 2: Convert to fraction form
    183,445.17/253,047.08 = 115,354.35/x
  3. Step 3: Cross multiply
    183,445.17x = 253,047.08 × 115,354.35
  4. Step 4: Simplify right side
    183,445.17x = 29,190,080,856.03
  5. Step 5: Solve for x
    x = 29,190,080,856.03/183,445.17
  6. Step 6: Final answer
    x = 159,121.56

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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.