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Finding the Fourth Proportional to 201,810.77, 278,500.28 and 115,773.51

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Solution

The fourth proportional to 201,810.77, 278,500.28 and 115,773.51 is: 159,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,810.77 : 278,500.28 = 115,773.51 : x
  2. Step 2: Convert to fraction form
    201,810.77/278,500.28 = 115,773.51/x
  3. Step 3: Cross multiply
    201,810.77x = 278,500.28 × 115,773.51
  4. Step 4: Simplify right side
    201,810.77x = 32,242,953,559.08
  5. Step 5: Solve for x
    x = 32,242,953,559.08/201,810.77
  6. Step 6: Final answer
    x = 159,768.25

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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.