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Finding the Fourth Proportional to 213,858.04, 295,129.02 and 118,368.76

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Solution

The fourth proportional to 213,858.04, 295,129.02 and 118,368.76 is: 163,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,858.04 : 295,129.02 = 118,368.76 : x
  2. Step 2: Convert to fraction form
    213,858.04/295,129.02 = 118,368.76/x
  3. Step 3: Cross multiply
    213,858.04x = 295,129.02 × 118,368.76
  4. Step 4: Simplify right side
    213,858.04x = 34,934,056,137.42
  5. Step 5: Solve for x
    x = 34,934,056,137.42/213,858.04
  6. Step 6: Final answer
    x = 163,351.61

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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.