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Finding the Fourth Proportional to 101,574.30, 152,392.56 and 45,461.64

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Solution

The fourth proportional to 101,574.30, 152,392.56 and 45,461.64 is: 68,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,574.30 : 152,392.56 = 45,461.64 : x
  2. Step 2: Convert to fraction form
    101,574.30/152,392.56 = 45,461.64/x
  3. Step 3: Cross multiply
    101,574.30x = 152,392.56 × 45,461.64
  4. Step 4: Simplify right side
    101,574.30x = 6,928,015,701.40
  5. Step 5: Solve for x
    x = 6,928,015,701.40/101,574.30
  6. Step 6: Final answer
    x = 68,206.38

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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.