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Finding the Fourth Proportional to 176,210.72, 243,060.19 and 104,540

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Solution

The fourth proportional to 176,210.72, 243,060.19 and 104,540 is: 144,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,210.72 : 243,060.19 = 104,540 : x
  2. Step 2: Convert to fraction form
    176,210.72/243,060.19 = 104,540/x
  3. Step 3: Cross multiply
    176,210.72x = 243,060.19 × 104,540
  4. Step 4: Simplify right side
    176,210.72x = 25,409,512,262.60
  5. Step 5: Solve for x
    x = 25,409,512,262.60/176,210.72
  6. Step 6: Final answer
    x = 144,199.58

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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.