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Finding the Fourth Proportional to 110,425.66, 152,382 and 62,678.32

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Solution

The fourth proportional to 110,425.66, 152,382 and 62,678.32 is: 86,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,425.66 : 152,382 = 62,678.32 : x
  2. Step 2: Convert to fraction form
    110,425.66/152,382 = 62,678.32/x
  3. Step 3: Cross multiply
    110,425.66x = 152,382 × 62,678.32
  4. Step 4: Simplify right side
    110,425.66x = 9,551,047,758.24
  5. Step 5: Solve for x
    x = 9,551,047,758.24/110,425.66
  6. Step 6: Final answer
    x = 86,493.01

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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.