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Finding the Fourth Proportional to 117,632.16, 176,798.16 and 55,346.40

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Solution

The fourth proportional to 117,632.16, 176,798.16 and 55,346.40 is: 83,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632.16 : 176,798.16 = 55,346.40 : x
  2. Step 2: Convert to fraction form
    117,632.16/176,798.16 = 55,346.40/x
  3. Step 3: Cross multiply
    117,632.16x = 176,798.16 × 55,346.40
  4. Step 4: Simplify right side
    117,632.16x = 9,785,141,682.62
  5. Step 5: Solve for x
    x = 9,785,141,682.62/117,632.16
  6. Step 6: Final answer
    x = 83,184.24

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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.