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Finding the Fourth Proportional to 215,191.98, 296,953.16 and 118,394.01

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Solution

The fourth proportional to 215,191.98, 296,953.16 and 118,394.01 is: 163,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,191.98 : 296,953.16 = 118,394.01 : x
  2. Step 2: Convert to fraction form
    215,191.98/296,953.16 = 118,394.01/x
  3. Step 3: Cross multiply
    215,191.98x = 296,953.16 × 118,394.01
  4. Step 4: Simplify right side
    215,191.98x = 35,157,474,802.60
  5. Step 5: Solve for x
    x = 35,157,474,802.60/215,191.98
  6. Step 6: Final answer
    x = 163,377.25

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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.