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Finding the Fourth Proportional to 249,985.20, 374,200.20 and 180,001.20

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Solution

The fourth proportional to 249,985.20, 374,200.20 and 180,001.20 is: 269,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,985.20 : 374,200.20 = 180,001.20 : x
  2. Step 2: Convert to fraction form
    249,985.20/374,200.20 = 180,001.20/x
  3. Step 3: Cross multiply
    249,985.20x = 374,200.20 × 180,001.20
  4. Step 4: Simplify right side
    249,985.20x = 67,356,485,040.24
  5. Step 5: Solve for x
    x = 67,356,485,040.24/249,985.20
  6. Step 6: Final answer
    x = 269,441.89

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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.