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Finding the Fourth Proportional to 127,609.01, 176,110.59 and 73,894.96

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Solution

The fourth proportional to 127,609.01, 176,110.59 and 73,894.96 is: 101,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,609.01 : 176,110.59 = 73,894.96 : x
  2. Step 2: Convert to fraction form
    127,609.01/176,110.59 = 73,894.96/x
  3. Step 3: Cross multiply
    127,609.01x = 176,110.59 × 73,894.96
  4. Step 4: Simplify right side
    127,609.01x = 13,013,685,003.63
  5. Step 5: Solve for x
    x = 13,013,685,003.63/127,609.01
  6. Step 6: Final answer
    x = 101,980.93

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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.