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Finding the Fourth Proportional to 97,801.95, 134,773.15 and 69,428.19

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Solution

The fourth proportional to 97,801.95, 134,773.15 and 69,428.19 is: 95,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,801.95 : 134,773.15 = 69,428.19 : x
  2. Step 2: Convert to fraction form
    97,801.95/134,773.15 = 69,428.19/x
  3. Step 3: Cross multiply
    97,801.95x = 134,773.15 × 69,428.19
  4. Step 4: Simplify right side
    97,801.95x = 9,357,055,865.10
  5. Step 5: Solve for x
    x = 9,357,055,865.10/97,801.95
  6. Step 6: Final answer
    x = 95,673.51

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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.