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Finding the Fourth Proportional to 180,633.76, 249,274.62 and 98,962.38

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Solution

The fourth proportional to 180,633.76, 249,274.62 and 98,962.38 is: 136,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,633.76 : 249,274.62 = 98,962.38 : x
  2. Step 2: Convert to fraction form
    180,633.76/249,274.62 = 98,962.38/x
  3. Step 3: Cross multiply
    180,633.76x = 249,274.62 × 98,962.38
  4. Step 4: Simplify right side
    180,633.76x = 24,668,809,668.80
  5. Step 5: Solve for x
    x = 24,668,809,668.80/180,633.76
  6. Step 6: Final answer
    x = 136,568.10

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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.