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Finding the Fourth Proportional to 66,508.38, 99,762.54 and 44,364.99

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Solution

The fourth proportional to 66,508.38, 99,762.54 and 44,364.99 is: 66,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508.38 : 99,762.54 = 44,364.99 : x
  2. Step 2: Convert to fraction form
    66,508.38/99,762.54 = 44,364.99/x
  3. Step 3: Cross multiply
    66,508.38x = 99,762.54 × 44,364.99
  4. Step 4: Simplify right side
    66,508.38x = 4,425,964,089.47
  5. Step 5: Solve for x
    x = 4,425,964,089.47/66,508.38
  6. Step 6: Final answer
    x = 66,547.46

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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.