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Finding the Fourth Proportional to 249,825.60, 344,744.64 and 136,641.60

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Solution

The fourth proportional to 249,825.60, 344,744.64 and 136,641.60 is: 188,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,825.60 : 344,744.64 = 136,641.60 : x
  2. Step 2: Convert to fraction form
    249,825.60/344,744.64 = 136,641.60/x
  3. Step 3: Cross multiply
    249,825.60x = 344,744.64 × 136,641.60
  4. Step 4: Simplify right side
    249,825.60x = 47,106,459,201.02
  5. Step 5: Solve for x
    x = 47,106,459,201.02/249,825.60
  6. Step 6: Final answer
    x = 188,557.37

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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.