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Finding the Fourth Proportional to 249,051.60, 373,528.80 and 80,531.10

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Solution

The fourth proportional to 249,051.60, 373,528.80 and 80,531.10 is: 120,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,051.60 : 373,528.80 = 80,531.10 : x
  2. Step 2: Convert to fraction form
    249,051.60/373,528.80 = 80,531.10/x
  3. Step 3: Cross multiply
    249,051.60x = 373,528.80 × 80,531.10
  4. Step 4: Simplify right side
    249,051.60x = 30,080,685,145.68
  5. Step 5: Solve for x
    x = 30,080,685,145.68/249,051.60
  6. Step 6: Final answer
    x = 120,780.94

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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.