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Finding the Fourth Proportional to 127,896.93, 176,497.77 and 71,308.32

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Solution

The fourth proportional to 127,896.93, 176,497.77 and 71,308.32 is: 98,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,896.93 : 176,497.77 = 71,308.32 : x
  2. Step 2: Convert to fraction form
    127,896.93/176,497.77 = 71,308.32/x
  3. Step 3: Cross multiply
    127,896.93x = 176,497.77 × 71,308.32
  4. Step 4: Simplify right side
    127,896.93x = 12,585,759,462.45
  5. Step 5: Solve for x
    x = 12,585,759,462.45/127,896.93
  6. Step 6: Final answer
    x = 98,405.49

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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.