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Finding the Fourth Proportional to 213,892.92, 295,168.65 and 118,397.58

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Solution

The fourth proportional to 213,892.92, 295,168.65 and 118,397.58 is: 163,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,892.92 : 295,168.65 = 118,397.58 : x
  2. Step 2: Convert to fraction form
    213,892.92/295,168.65 = 118,397.58/x
  3. Step 3: Cross multiply
    213,892.92x = 295,168.65 × 118,397.58
  4. Step 4: Simplify right side
    213,892.92x = 34,947,253,851.87
  5. Step 5: Solve for x
    x = 34,947,253,851.87/213,892.92
  6. Step 6: Final answer
    x = 163,386.68

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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.