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Finding the Fourth Proportional to 176,420.68, 264,631.22 and 48,338.05

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Solution

The fourth proportional to 176,420.68, 264,631.22 and 48,338.05 is: 72,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,420.68 : 264,631.22 = 48,338.05 : x
  2. Step 2: Convert to fraction form
    176,420.68/264,631.22 = 48,338.05/x
  3. Step 3: Cross multiply
    176,420.68x = 264,631.22 × 48,338.05
  4. Step 4: Simplify right side
    176,420.68x = 12,791,756,603.19
  5. Step 5: Solve for x
    x = 12,791,756,603.19/176,420.68
  6. Step 6: Final answer
    x = 72,507.13

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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.