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Finding the Fourth Proportional to 212,223.70, 292,862.52 and 116,730.37

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Solution

The fourth proportional to 212,223.70, 292,862.52 and 116,730.37 is: 161,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,223.70 : 292,862.52 = 116,730.37 : x
  2. Step 2: Convert to fraction form
    212,223.70/292,862.52 = 116,730.37/x
  3. Step 3: Cross multiply
    212,223.70x = 292,862.52 × 116,730.37
  4. Step 4: Simplify right side
    212,223.70x = 34,185,948,854.42
  5. Step 5: Solve for x
    x = 34,185,948,854.42/212,223.70
  6. Step 6: Final answer
    x = 161,084.50

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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.