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Finding the Fourth Proportional to 176,337.72, 243,420.52 and 119,054.64

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Solution

The fourth proportional to 176,337.72, 243,420.52 and 119,054.64 is: 164,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,337.72 : 243,420.52 = 119,054.64 : x
  2. Step 2: Convert to fraction form
    176,337.72/243,420.52 = 119,054.64/x
  3. Step 3: Cross multiply
    176,337.72x = 243,420.52 × 119,054.64
  4. Step 4: Simplify right side
    176,337.72x = 28,980,342,377.21
  5. Step 5: Solve for x
    x = 28,980,342,377.21/176,337.72
  6. Step 6: Final answer
    x = 164,345.68

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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.