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Finding the Fourth Proportional to 117,555.80, 176,333.70 and 99,841.10

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Solution

The fourth proportional to 117,555.80, 176,333.70 and 99,841.10 is: 149,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,555.80 : 176,333.70 = 99,841.10 : x
  2. Step 2: Convert to fraction form
    117,555.80/176,333.70 = 99,841.10/x
  3. Step 3: Cross multiply
    117,555.80x = 176,333.70 × 99,841.10
  4. Step 4: Simplify right side
    117,555.80x = 17,605,350,575.07
  5. Step 5: Solve for x
    x = 17,605,350,575.07/117,555.80
  6. Step 6: Final answer
    x = 149,761.65

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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.