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Finding the Fourth Proportional to 164,882.36, 247,155.40 and 64,987.08

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Solution

The fourth proportional to 164,882.36, 247,155.40 and 64,987.08 is: 97,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,882.36 : 247,155.40 = 64,987.08 : x
  2. Step 2: Convert to fraction form
    164,882.36/247,155.40 = 64,987.08/x
  3. Step 3: Cross multiply
    164,882.36x = 247,155.40 × 64,987.08
  4. Step 4: Simplify right side
    164,882.36x = 16,061,907,752.23
  5. Step 5: Solve for x
    x = 16,061,907,752.23/164,882.36
  6. Step 6: Final answer
    x = 97,414.35

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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.