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Finding the Fourth Proportional to 249,483.52, 374,491.68 and 107,399.12

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Solution

The fourth proportional to 249,483.52, 374,491.68 and 107,399.12 is: 161,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,483.52 : 374,491.68 = 107,399.12 : x
  2. Step 2: Convert to fraction form
    249,483.52/374,491.68 = 107,399.12/x
  3. Step 3: Cross multiply
    249,483.52x = 374,491.68 × 107,399.12
  4. Step 4: Simplify right side
    249,483.52x = 40,220,076,879.32
  5. Step 5: Solve for x
    x = 40,220,076,879.32/249,483.52
  6. Step 6: Final answer
    x = 161,213.36

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1.5x scale

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.