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Finding the Fourth Proportional to 183,436.80, 253,129.32 and 101,758.92

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Solution

The fourth proportional to 183,436.80, 253,129.32 and 101,758.92 is: 140,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,436.80 : 253,129.32 = 101,758.92 : x
  2. Step 2: Convert to fraction form
    183,436.80/253,129.32 = 101,758.92/x
  3. Step 3: Cross multiply
    183,436.80x = 253,129.32 × 101,758.92
  4. Step 4: Simplify right side
    183,436.80x = 25,758,166,223.53
  5. Step 5: Solve for x
    x = 25,758,166,223.53/183,436.80
  6. Step 6: Final answer
    x = 140,419.84

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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.