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Finding the Fourth Proportional to 213,697.66, 294,884.40 and 118,180.58

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Solution

The fourth proportional to 213,697.66, 294,884.40 and 118,180.58 is: 163,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,697.66 : 294,884.40 = 118,180.58 : x
  2. Step 2: Convert to fraction form
    213,697.66/294,884.40 = 118,180.58/x
  3. Step 3: Cross multiply
    213,697.66x = 294,884.40 × 118,180.58
  4. Step 4: Simplify right side
    213,697.66x = 34,849,609,424.95
  5. Step 5: Solve for x
    x = 34,849,609,424.95/213,697.66
  6. Step 6: Final answer
    x = 163,079.04

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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.