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Finding the Fourth Proportional to 116,794.65, 174,551.94 and 85,271.12

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Solution

The fourth proportional to 116,794.65, 174,551.94 and 85,271.12 is: 127,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,794.65 : 174,551.94 = 85,271.12 : x
  2. Step 2: Convert to fraction form
    116,794.65/174,551.94 = 85,271.12/x
  3. Step 3: Cross multiply
    116,794.65x = 174,551.94 × 85,271.12
  4. Step 4: Simplify right side
    116,794.65x = 14,884,239,421.97
  5. Step 5: Solve for x
    x = 14,884,239,421.97/116,794.65
  6. Step 6: Final answer
    x = 127,439.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.