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Finding the Fourth Proportional to 249,903.57, 344,875.53 and 136,726.32

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Solution

The fourth proportional to 249,903.57, 344,875.53 and 136,726.32 is: 188,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,903.57 : 344,875.53 = 136,726.32 : x
  2. Step 2: Convert to fraction form
    249,903.57/344,875.53 = 136,726.32/x
  3. Step 3: Cross multiply
    249,903.57x = 344,875.53 × 136,726.32
  4. Step 4: Simplify right side
    249,903.57x = 47,153,562,074.95
  5. Step 5: Solve for x
    x = 47,153,562,074.95/249,903.57
  6. Step 6: Final answer
    x = 188,687.03

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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.