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Finding the Fourth Proportional to 212,049.70, 292,628.80 and 116,554.34

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Solution

The fourth proportional to 212,049.70, 292,628.80 and 116,554.34 is: 160,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,049.70 : 292,628.80 = 116,554.34 : x
  2. Step 2: Convert to fraction form
    212,049.70/292,628.80 = 116,554.34/x
  3. Step 3: Cross multiply
    212,049.70x = 292,628.80 × 116,554.34
  4. Step 4: Simplify right side
    212,049.70x = 34,107,157,526.26
  5. Step 5: Solve for x
    x = 34,107,157,526.26/212,049.70
  6. Step 6: Final answer
    x = 160,845.11

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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.