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Finding the Fourth Proportional to 177,756.40, 245,319 and 101,298.88

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Solution

The fourth proportional to 177,756.40, 245,319 and 101,298.88 is: 139,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,756.40 : 245,319 = 101,298.88 : x
  2. Step 2: Convert to fraction form
    177,756.40/245,319 = 101,298.88/x
  3. Step 3: Cross multiply
    177,756.40x = 245,319 × 101,298.88
  4. Step 4: Simplify right side
    177,756.40x = 24,850,539,942.72
  5. Step 5: Solve for x
    x = 24,850,539,942.72/177,756.40
  6. Step 6: Final answer
    x = 139,801.10

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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.