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Finding the Fourth Proportional to 212,265.68, 292,920.48 and 116,772.32

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Solution

The fourth proportional to 212,265.68, 292,920.48 and 116,772.32 is: 161,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,265.68 : 292,920.48 = 116,772.32 : x
  2. Step 2: Convert to fraction form
    212,265.68/292,920.48 = 116,772.32/x
  3. Step 3: Cross multiply
    212,265.68x = 292,920.48 × 116,772.32
  4. Step 4: Simplify right side
    212,265.68x = 34,205,004,025.11
  5. Step 5: Solve for x
    x = 34,205,004,025.11/212,265.68
  6. Step 6: Final answer
    x = 161,142.41

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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.