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Finding the Fourth Proportional to 202,693.35, 279,720.24 and 117,810.42

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Solution

The fourth proportional to 202,693.35, 279,720.24 and 117,810.42 is: 162,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,693.35 : 279,720.24 = 117,810.42 : x
  2. Step 2: Convert to fraction form
    202,693.35/279,720.24 = 117,810.42/x
  3. Step 3: Cross multiply
    202,693.35x = 279,720.24 × 117,810.42
  4. Step 4: Simplify right side
    202,693.35x = 32,953,957,466.16
  5. Step 5: Solve for x
    x = 32,953,957,466.16/202,693.35
  6. Step 6: Final answer
    x = 162,580.36

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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.