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Finding the Fourth Proportional to 116,731.80, 175,097.70 and 102,953.70

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Solution

The fourth proportional to 116,731.80, 175,097.70 and 102,953.70 is: 154,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,731.80 : 175,097.70 = 102,953.70 : x
  2. Step 2: Convert to fraction form
    116,731.80/175,097.70 = 102,953.70/x
  3. Step 3: Cross multiply
    116,731.80x = 175,097.70 × 102,953.70
  4. Step 4: Simplify right side
    116,731.80x = 18,026,956,076.49
  5. Step 5: Solve for x
    x = 18,026,956,076.49/116,731.80
  6. Step 6: Final answer
    x = 154,430.55

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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.