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Finding the Fourth Proportional to 164,913.12, 247,203.18 and 65,018.22

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Solution

The fourth proportional to 164,913.12, 247,203.18 and 65,018.22 is: 97,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,913.12 : 247,203.18 = 65,018.22 : x
  2. Step 2: Convert to fraction form
    164,913.12/247,203.18 = 65,018.22/x
  3. Step 3: Cross multiply
    164,913.12x = 247,203.18 × 65,018.22
  4. Step 4: Simplify right side
    164,913.12x = 16,072,710,741.94
  5. Step 5: Solve for x
    x = 16,072,710,741.94/164,913.12
  6. Step 6: Final answer
    x = 97,461.69

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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.