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Finding the Fourth Proportional to 245,041.71, 367,613.58 and 76,555.23

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Solution

The fourth proportional to 245,041.71, 367,613.58 and 76,555.23 is: 114,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,041.71 : 367,613.58 = 76,555.23 : x
  2. Step 2: Convert to fraction form
    245,041.71/367,613.58 = 76,555.23/x
  3. Step 3: Cross multiply
    245,041.71x = 367,613.58 × 76,555.23
  4. Step 4: Simplify right side
    245,041.71x = 28,142,742,168.02
  5. Step 5: Solve for x
    x = 28,142,742,168.02/245,041.71
  6. Step 6: Final answer
    x = 114,848.78

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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.