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Finding the Fourth Proportional to 213,882.40, 295,160.32 and 118,397.92

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Solution

The fourth proportional to 213,882.40, 295,160.32 and 118,397.92 is: 163,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,882.40 : 295,160.32 = 118,397.92 : x
  2. Step 2: Convert to fraction form
    213,882.40/295,160.32 = 118,397.92/x
  3. Step 3: Cross multiply
    213,882.40x = 295,160.32 × 118,397.92
  4. Step 4: Simplify right side
    213,882.40x = 34,946,367,954.53
  5. Step 5: Solve for x
    x = 34,946,367,954.53/213,882.40
  6. Step 6: Final answer
    x = 163,390.57

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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.