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Finding the Fourth Proportional to 213,989.66, 295,302.10 and 118,494.32

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Solution

The fourth proportional to 213,989.66, 295,302.10 and 118,494.32 is: 163,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,989.66 : 295,302.10 = 118,494.32 : x
  2. Step 2: Convert to fraction form
    213,989.66/295,302.10 = 118,494.32/x
  3. Step 3: Cross multiply
    213,989.66x = 295,302.10 × 118,494.32
  4. Step 4: Simplify right side
    213,989.66x = 34,991,621,534.07
  5. Step 5: Solve for x
    x = 34,991,621,534.07/213,989.66
  6. Step 6: Final answer
    x = 163,520.15

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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.