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Finding the Fourth Proportional to 168,746.76, 253,173.06 and 101,356.11

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Solution

The fourth proportional to 168,746.76, 253,173.06 and 101,356.11 is: 152,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,746.76 : 253,173.06 = 101,356.11 : x
  2. Step 2: Convert to fraction form
    168,746.76/253,173.06 = 101,356.11/x
  3. Step 3: Cross multiply
    168,746.76x = 253,173.06 × 101,356.11
  4. Step 4: Simplify right side
    168,746.76x = 25,660,636,518.40
  5. Step 5: Solve for x
    x = 25,660,636,518.40/168,746.76
  6. Step 6: Final answer
    x = 152,065.95

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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.