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Finding the Fourth Proportional to 176,669, 243,803.22 and 101,261.24

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Solution

The fourth proportional to 176,669, 243,803.22 and 101,261.24 is: 139,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,669 : 243,803.22 = 101,261.24 : x
  2. Step 2: Convert to fraction form
    176,669/243,803.22 = 101,261.24/x
  3. Step 3: Cross multiply
    176,669x = 243,803.22 × 101,261.24
  4. Step 4: Simplify right side
    176,669x = 24,687,816,373.19
  5. Step 5: Solve for x
    x = 24,687,816,373.19/176,669
  6. Step 6: Final answer
    x = 139,740.51

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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.