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Finding the Fourth Proportional to 214,130.88, 295,488.27 and 118,631.88

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Solution

The fourth proportional to 214,130.88, 295,488.27 and 118,631.88 is: 163,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,130.88 : 295,488.27 = 118,631.88 : x
  2. Step 2: Convert to fraction form
    214,130.88/295,488.27 = 118,631.88/x
  3. Step 3: Cross multiply
    214,130.88x = 295,488.27 × 118,631.88
  4. Step 4: Simplify right side
    214,130.88x = 35,054,328,988.05
  5. Step 5: Solve for x
    x = 35,054,328,988.05/214,130.88
  6. Step 6: Final answer
    x = 163,705.16

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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.