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Finding the Fourth Proportional to 72,344.48, 99,836.52 and 41,700.67

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Solution

The fourth proportional to 72,344.48, 99,836.52 and 41,700.67 is: 57,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344.48 : 99,836.52 = 41,700.67 : x
  2. Step 2: Convert to fraction form
    72,344.48/99,836.52 = 41,700.67/x
  3. Step 3: Cross multiply
    72,344.48x = 99,836.52 × 41,700.67
  4. Step 4: Simplify right side
    72,344.48x = 4,163,249,524.88
  5. Step 5: Solve for x
    x = 4,163,249,524.88/72,344.48
  6. Step 6: Final answer
    x = 57,547.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.