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Finding the Fourth Proportional to 202,365.96, 279,301.58 and 120,699.45

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Solution

The fourth proportional to 202,365.96, 279,301.58 and 120,699.45 is: 166,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,365.96 : 279,301.58 = 120,699.45 : x
  2. Step 2: Convert to fraction form
    202,365.96/279,301.58 = 120,699.45/x
  3. Step 3: Cross multiply
    202,365.96x = 279,301.58 × 120,699.45
  4. Step 4: Simplify right side
    202,365.96x = 33,711,547,090.13
  5. Step 5: Solve for x
    x = 33,711,547,090.13/202,365.96
  6. Step 6: Final answer
    x = 166,587.04

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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.