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Finding the Fourth Proportional to 164,668.95, 247,075.11 and 64,901.66

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Solution

The fourth proportional to 164,668.95, 247,075.11 and 64,901.66 is: 97,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,668.95 : 247,075.11 = 64,901.66 : x
  2. Step 2: Convert to fraction form
    164,668.95/247,075.11 = 64,901.66/x
  3. Step 3: Cross multiply
    164,668.95x = 247,075.11 × 64,901.66
  4. Step 4: Simplify right side
    164,668.95x = 16,035,583,548.31
  5. Step 5: Solve for x
    x = 16,035,583,548.31/164,668.95
  6. Step 6: Final answer
    x = 97,380.74

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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.