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Finding the Fourth Proportional to 164,881.40, 247,322.10 and 65,008.40

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Solution

The fourth proportional to 164,881.40, 247,322.10 and 65,008.40 is: 97,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,881.40 : 247,322.10 = 65,008.40 : x
  2. Step 2: Convert to fraction form
    164,881.40/247,322.10 = 65,008.40/x
  3. Step 3: Cross multiply
    164,881.40x = 247,322.10 × 65,008.40
  4. Step 4: Simplify right side
    164,881.40x = 16,078,014,005.64
  5. Step 5: Solve for x
    x = 16,078,014,005.64/164,881.40
  6. Step 6: Final answer
    x = 97,512.60

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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.