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Finding the Fourth Proportional to 127,751.58, 176,258.16 and 74,026.23

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Solution

The fourth proportional to 127,751.58, 176,258.16 and 74,026.23 is: 102,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,751.58 : 176,258.16 = 74,026.23 : x
  2. Step 2: Convert to fraction form
    127,751.58/176,258.16 = 74,026.23/x
  3. Step 3: Cross multiply
    127,751.58x = 176,258.16 × 74,026.23
  4. Step 4: Simplify right side
    127,751.58x = 13,047,727,091.54
  5. Step 5: Solve for x
    x = 13,047,727,091.54/127,751.58
  6. Step 6: Final answer
    x = 102,133.59

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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.