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Finding the Fourth Proportional to 303,121.55, 454,759.56 and 89,897.24

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Solution

The fourth proportional to 303,121.55, 454,759.56 and 89,897.24 is: 134,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,121.55 : 454,759.56 = 89,897.24 : x
  2. Step 2: Convert to fraction form
    303,121.55/454,759.56 = 89,897.24/x
  3. Step 3: Cross multiply
    303,121.55x = 454,759.56 × 89,897.24
  4. Step 4: Simplify right side
    303,121.55x = 40,881,630,444.51
  5. Step 5: Solve for x
    x = 40,881,630,444.51/303,121.55
  6. Step 6: Final answer
    x = 134,868.77

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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.