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Finding the Fourth Proportional to 66,367.71, 99,498.95 and 34,771.72

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Solution

The fourth proportional to 66,367.71, 99,498.95 and 34,771.72 is: 52,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,367.71 : 99,498.95 = 34,771.72 : x
  2. Step 2: Convert to fraction form
    66,367.71/99,498.95 = 34,771.72/x
  3. Step 3: Cross multiply
    66,367.71x = 99,498.95 × 34,771.72
  4. Step 4: Simplify right side
    66,367.71x = 3,459,749,001.81
  5. Step 5: Solve for x
    x = 3,459,749,001.81/66,367.71
  6. Step 6: Final answer
    x = 52,130.00

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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.