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Finding the Fourth Proportional to 247,313.52, 370,475.64 and 114,011.28

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Solution

The fourth proportional to 247,313.52, 370,475.64 and 114,011.28 is: 170,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,313.52 : 370,475.64 = 114,011.28 : x
  2. Step 2: Convert to fraction form
    247,313.52/370,475.64 = 114,011.28/x
  3. Step 3: Cross multiply
    247,313.52x = 370,475.64 × 114,011.28
  4. Step 4: Simplify right side
    247,313.52x = 42,238,401,925.22
  5. Step 5: Solve for x
    x = 42,238,401,925.22/247,313.52
  6. Step 6: Final answer
    x = 170,788.89

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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.