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Finding the Fourth Proportional to 265,933.13, 366,987.71 and 152,755.88

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Solution

The fourth proportional to 265,933.13, 366,987.71 and 152,755.88 is: 210,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,933.13 : 366,987.71 = 152,755.88 : x
  2. Step 2: Convert to fraction form
    265,933.13/366,987.71 = 152,755.88/x
  3. Step 3: Cross multiply
    265,933.13x = 366,987.71 × 152,755.88
  4. Step 4: Simplify right side
    265,933.13x = 56,059,529,137.19
  5. Step 5: Solve for x
    x = 56,059,529,137.19/265,933.13
  6. Step 6: Final answer
    x = 210,803.11

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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.