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Finding the Fourth Proportional to 212,165.53, 292,790.51 and 116,672.88

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Solution

The fourth proportional to 212,165.53, 292,790.51 and 116,672.88 is: 161,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,165.53 : 292,790.51 = 116,672.88 : x
  2. Step 2: Convert to fraction form
    212,165.53/292,790.51 = 116,672.88/x
  3. Step 3: Cross multiply
    212,165.53x = 292,790.51 × 116,672.88
  4. Step 4: Simplify right side
    212,165.53x = 34,160,712,038.37
  5. Step 5: Solve for x
    x = 34,160,712,038.37/212,165.53
  6. Step 6: Final answer
    x = 161,009.72

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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.