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Finding the Fourth Proportional to 213,957.44, 295,263.60 and 118,465.84

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Solution

The fourth proportional to 213,957.44, 295,263.60 and 118,465.84 is: 163,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,957.44 : 295,263.60 = 118,465.84 : x
  2. Step 2: Convert to fraction form
    213,957.44/295,263.60 = 118,465.84/x
  3. Step 3: Cross multiply
    213,957.44x = 295,263.60 × 118,465.84
  4. Step 4: Simplify right side
    213,957.44x = 34,978,650,395.42
  5. Step 5: Solve for x
    x = 34,978,650,395.42/213,957.44
  6. Step 6: Final answer
    x = 163,484.15

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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.