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Finding the Fourth Proportional to 249,259.50, 373,943.93 and 80,796.51

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Solution

The fourth proportional to 249,259.50, 373,943.93 and 80,796.51 is: 121,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,259.50 : 373,943.93 = 80,796.51 : x
  2. Step 2: Convert to fraction form
    249,259.50/373,943.93 = 80,796.51/x
  3. Step 3: Cross multiply
    249,259.50x = 373,943.93 × 80,796.51
  4. Step 4: Simplify right side
    249,259.50x = 30,213,364,075.70
  5. Step 5: Solve for x
    x = 30,213,364,075.70/249,259.50
  6. Step 6: Final answer
    x = 121,212.49

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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.