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Finding the Fourth Proportional to 213,779.64, 295,003.58 and 118,280.64

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Solution

The fourth proportional to 213,779.64, 295,003.58 and 118,280.64 is: 163,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,779.64 : 295,003.58 = 118,280.64 : x
  2. Step 2: Convert to fraction form
    213,779.64/295,003.58 = 118,280.64/x
  3. Step 3: Cross multiply
    213,779.64x = 295,003.58 × 118,280.64
  4. Step 4: Simplify right side
    213,779.64x = 34,893,212,244.69
  5. Step 5: Solve for x
    x = 34,893,212,244.69/213,779.64
  6. Step 6: Final answer
    x = 163,220.46

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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.