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Finding the Fourth Proportional to 213,980.32, 295,289.22 and 118,484.97

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Solution

The fourth proportional to 213,980.32, 295,289.22 and 118,484.97 is: 163,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,980.32 : 295,289.22 = 118,484.97 : x
  2. Step 2: Convert to fraction form
    213,980.32/295,289.22 = 118,484.97/x
  3. Step 3: Cross multiply
    213,980.32x = 295,289.22 × 118,484.97
  4. Step 4: Simplify right side
    213,980.32x = 34,987,334,373.02
  5. Step 5: Solve for x
    x = 34,987,334,373.02/213,980.32
  6. Step 6: Final answer
    x = 163,507.25

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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.