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Finding the Fourth Proportional to 249,035.32, 343,621.74 and 148,442.68

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Solution

The fourth proportional to 249,035.32, 343,621.74 and 148,442.68 is: 204,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,035.32 : 343,621.74 = 148,442.68 : x
  2. Step 2: Convert to fraction form
    249,035.32/343,621.74 = 148,442.68/x
  3. Step 3: Cross multiply
    249,035.32x = 343,621.74 × 148,442.68
  4. Step 4: Simplify right side
    249,035.32x = 51,008,131,991.86
  5. Step 5: Solve for x
    x = 51,008,131,991.86/249,035.32
  6. Step 6: Final answer
    x = 204,822.88

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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.