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Finding the Fourth Proportional to 176,871.40, 265,307.10 and 123,727.30

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Solution

The fourth proportional to 176,871.40, 265,307.10 and 123,727.30 is: 185,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,871.40 : 265,307.10 = 123,727.30 : x
  2. Step 2: Convert to fraction form
    176,871.40/265,307.10 = 123,727.30/x
  3. Step 3: Cross multiply
    176,871.40x = 265,307.10 × 123,727.30
  4. Step 4: Simplify right side
    176,871.40x = 32,825,731,153.83
  5. Step 5: Solve for x
    x = 32,825,731,153.83/176,871.40
  6. Step 6: Final answer
    x = 185,590.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.