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Finding the Fourth Proportional to 202,466.05, 279,397.80 and 111,820.07

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Solution

The fourth proportional to 202,466.05, 279,397.80 and 111,820.07 is: 154,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,466.05 : 279,397.80 = 111,820.07 : x
  2. Step 2: Convert to fraction form
    202,466.05/279,397.80 = 111,820.07/x
  3. Step 3: Cross multiply
    202,466.05x = 279,397.80 × 111,820.07
  4. Step 4: Simplify right side
    202,466.05x = 31,242,282,252.34
  5. Step 5: Solve for x
    x = 31,242,282,252.34/202,466.05
  6. Step 6: Final answer
    x = 154,308.75

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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.