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Finding the Fourth Proportional to 176,700.45, 265,080.45 and 81,892.18

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Solution

The fourth proportional to 176,700.45, 265,080.45 and 81,892.18 is: 122,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,700.45 : 265,080.45 = 81,892.18 : x
  2. Step 2: Convert to fraction form
    176,700.45/265,080.45 = 81,892.18/x
  3. Step 3: Cross multiply
    176,700.45x = 265,080.45 × 81,892.18
  4. Step 4: Simplify right side
    176,700.45x = 21,708,015,925.88
  5. Step 5: Solve for x
    x = 21,708,015,925.88/176,700.45
  6. Step 6: Final answer
    x = 122,852.07

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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.