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Finding the Fourth Proportional to 176,345.63, 264,483.07 and 86,349.58

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Solution

The fourth proportional to 176,345.63, 264,483.07 and 86,349.58 is: 129,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,345.63 : 264,483.07 = 86,349.58 : x
  2. Step 2: Convert to fraction form
    176,345.63/264,483.07 = 86,349.58/x
  3. Step 3: Cross multiply
    176,345.63x = 264,483.07 × 86,349.58
  4. Step 4: Simplify right side
    176,345.63x = 22,838,002,011.61
  5. Step 5: Solve for x
    x = 22,838,002,011.61/176,345.63
  6. Step 6: Final answer
    x = 129,507.05

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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.