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Finding the Fourth Proportional to 88,509.66, 122,141.79 and 48,223.71

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Solution

The fourth proportional to 88,509.66, 122,141.79 and 48,223.71 is: 66,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,509.66 : 122,141.79 = 48,223.71 : x
  2. Step 2: Convert to fraction form
    88,509.66/122,141.79 = 48,223.71/x
  3. Step 3: Cross multiply
    88,509.66x = 122,141.79 × 48,223.71
  4. Step 4: Simplify right side
    88,509.66x = 5,890,130,142.28
  5. Step 5: Solve for x
    x = 5,890,130,142.28/88,509.66
  6. Step 6: Final answer
    x = 66,547.88

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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.