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Finding the Fourth Proportional to 249,969.96, 375,080.69 and 100,317.20

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Solution

The fourth proportional to 249,969.96, 375,080.69 and 100,317.20 is: 150,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,969.96 : 375,080.69 = 100,317.20 : x
  2. Step 2: Convert to fraction form
    249,969.96/375,080.69 = 100,317.20/x
  3. Step 3: Cross multiply
    249,969.96x = 375,080.69 × 100,317.20
  4. Step 4: Simplify right side
    249,969.96x = 37,627,042,970.26
  5. Step 5: Solve for x
    x = 37,627,042,970.26/249,969.96
  6. Step 6: Final answer
    x = 150,526.26

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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.