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Finding the Fourth Proportional to 180,609.01, 249,237.68 and 98,936.64

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Solution

The fourth proportional to 180,609.01, 249,237.68 and 98,936.64 is: 136,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,609.01 : 249,237.68 = 98,936.64 : x
  2. Step 2: Convert to fraction form
    180,609.01/249,237.68 = 98,936.64/x
  3. Step 3: Cross multiply
    180,609.01x = 249,237.68 × 98,936.64
  4. Step 4: Simplify right side
    180,609.01x = 24,658,738,125.91
  5. Step 5: Solve for x
    x = 24,658,738,125.91/180,609.01
  6. Step 6: Final answer
    x = 136,531.05

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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.