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Finding the Fourth Proportional to 249,289.68, 373,935.12 and 99,542.16

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Solution

The fourth proportional to 249,289.68, 373,935.12 and 99,542.16 is: 149,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,289.68 : 373,935.12 = 99,542.16 : x
  2. Step 2: Convert to fraction form
    249,289.68/373,935.12 = 99,542.16/x
  3. Step 3: Cross multiply
    249,289.68x = 373,935.12 × 99,542.16
  4. Step 4: Simplify right side
    249,289.68x = 37,222,309,544.66
  5. Step 5: Solve for x
    x = 37,222,309,544.66/249,289.68
  6. Step 6: Final answer
    x = 149,313.48

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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.