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Finding the Fourth Proportional to 134,709.40, 202,064.10 and 101,248.30

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Solution

The fourth proportional to 134,709.40, 202,064.10 and 101,248.30 is: 151,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,709.40 : 202,064.10 = 101,248.30 : x
  2. Step 2: Convert to fraction form
    134,709.40/202,064.10 = 101,248.30/x
  3. Step 3: Cross multiply
    134,709.40x = 202,064.10 × 101,248.30
  4. Step 4: Simplify right side
    134,709.40x = 20,458,646,616.03
  5. Step 5: Solve for x
    x = 20,458,646,616.03/134,709.40
  6. Step 6: Final answer
    x = 151,872.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.