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Finding the Fourth Proportional to 262,041.42, 392,965.40 and 93,516.68

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Solution

The fourth proportional to 262,041.42, 392,965.40 and 93,516.68 is: 140,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,041.42 : 392,965.40 = 93,516.68 : x
  2. Step 2: Convert to fraction form
    262,041.42/392,965.40 = 93,516.68/x
  3. Step 3: Cross multiply
    262,041.42x = 392,965.40 × 93,516.68
  4. Step 4: Simplify right side
    262,041.42x = 36,748,819,562.87
  5. Step 5: Solve for x
    x = 36,748,819,562.87/262,041.42
  6. Step 6: Final answer
    x = 140,240.50

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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.