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Finding the Fourth Proportional to 215,058.52, 296,726.52 and 130,159.18

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Solution

The fourth proportional to 215,058.52, 296,726.52 and 130,159.18 is: 179,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,058.52 : 296,726.52 = 130,159.18 : x
  2. Step 2: Convert to fraction form
    215,058.52/296,726.52 = 130,159.18/x
  3. Step 3: Cross multiply
    215,058.52x = 296,726.52 × 130,159.18
  4. Step 4: Simplify right side
    215,058.52x = 38,621,680,527.45
  5. Step 5: Solve for x
    x = 38,621,680,527.45/215,058.52
  6. Step 6: Final answer
    x = 179,586.84

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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.