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Finding the Fourth Proportional to 116,551.74, 160,866.87 and 74,101.98

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Solution

The fourth proportional to 116,551.74, 160,866.87 and 74,101.98 is: 102,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,551.74 : 160,866.87 = 74,101.98 : x
  2. Step 2: Convert to fraction form
    116,551.74/160,866.87 = 74,101.98/x
  3. Step 3: Cross multiply
    116,551.74x = 160,866.87 × 74,101.98
  4. Step 4: Simplify right side
    116,551.74x = 11,920,553,583.40
  5. Step 5: Solve for x
    x = 11,920,553,583.40/116,551.74
  6. Step 6: Final answer
    x = 102,276.93

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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.