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Finding the Fourth Proportional to 212,068.92, 292,658.76 and 116,579.64

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Solution

The fourth proportional to 212,068.92, 292,658.76 and 116,579.64 is: 160,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,068.92 : 292,658.76 = 116,579.64 : x
  2. Step 2: Convert to fraction form
    212,068.92/292,658.76 = 116,579.64/x
  3. Step 3: Cross multiply
    212,068.92x = 292,658.76 × 116,579.64
  4. Step 4: Simplify right side
    212,068.92x = 34,118,052,883.65
  5. Step 5: Solve for x
    x = 34,118,052,883.65/212,068.92
  6. Step 6: Final answer
    x = 160,881.91

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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.