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Finding the Fourth Proportional to 176,521.90, 243,662.68 and 104,901.06

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Solution

The fourth proportional to 176,521.90, 243,662.68 and 104,901.06 is: 144,800.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,521.90 : 243,662.68 = 104,901.06 : x
  2. Step 2: Convert to fraction form
    176,521.90/243,662.68 = 104,901.06/x
  3. Step 3: Cross multiply
    176,521.90x = 243,662.68 × 104,901.06
  4. Step 4: Simplify right side
    176,521.90x = 25,560,473,414.44
  5. Step 5: Solve for x
    x = 25,560,473,414.44/176,521.90
  6. Step 6: Final answer
    x = 144,800.58

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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.