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Finding the Fourth Proportional to 249,190.80, 373,340.70 and 151,639.80

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Solution

The fourth proportional to 249,190.80, 373,340.70 and 151,639.80 is: 227,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,190.80 : 373,340.70 = 151,639.80 : x
  2. Step 2: Convert to fraction form
    249,190.80/373,340.70 = 151,639.80/x
  3. Step 3: Cross multiply
    249,190.80x = 373,340.70 × 151,639.80
  4. Step 4: Simplify right side
    249,190.80x = 56,613,309,079.86
  5. Step 5: Solve for x
    x = 56,613,309,079.86/249,190.80
  6. Step 6: Final answer
    x = 227,188.60

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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.