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Finding the Fourth Proportional to 212,254.88, 292,913.12 and 116,759.12

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Solution

The fourth proportional to 212,254.88, 292,913.12 and 116,759.12 is: 161,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,254.88 : 292,913.12 = 116,759.12 : x
  2. Step 2: Convert to fraction form
    212,254.88/292,913.12 = 116,759.12/x
  3. Step 3: Cross multiply
    212,254.88x = 292,913.12 × 116,759.12
  4. Step 4: Simplify right side
    212,254.88x = 34,200,278,127.65
  5. Step 5: Solve for x
    x = 34,200,278,127.65/212,254.88
  6. Step 6: Final answer
    x = 161,128.35

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1.5x scale

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.