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Finding the Fourth Proportional to 213,988.29, 295,300.21 and 118,492.94

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Solution

The fourth proportional to 213,988.29, 295,300.21 and 118,492.94 is: 163,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,988.29 : 295,300.21 = 118,492.94 : x
  2. Step 2: Convert to fraction form
    213,988.29/295,300.21 = 118,492.94/x
  3. Step 3: Cross multiply
    213,988.29x = 295,300.21 × 118,492.94
  4. Step 4: Simplify right side
    213,988.29x = 34,990,987,996.55
  5. Step 5: Solve for x
    x = 34,990,987,996.55/213,988.29
  6. Step 6: Final answer
    x = 163,518.24

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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.