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Finding the Fourth Proportional to 249,795.16, 344,729.96 and 147,879.16

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Solution

The fourth proportional to 249,795.16, 344,729.96 and 147,879.16 is: 204,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,795.16 : 344,729.96 = 147,879.16 : x
  2. Step 2: Convert to fraction form
    249,795.16/344,729.96 = 147,879.16/x
  3. Step 3: Cross multiply
    249,795.16x = 344,729.96 × 147,879.16
  4. Step 4: Simplify right side
    249,795.16x = 50,978,376,911.63
  5. Step 5: Solve for x
    x = 50,978,376,911.63/249,795.16
  6. Step 6: Final answer
    x = 204,080.72

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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.