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Finding the Fourth Proportional to 101,328.64, 151,995.12 and 34,768.24

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Solution

The fourth proportional to 101,328.64, 151,995.12 and 34,768.24 is: 52,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,328.64 : 151,995.12 = 34,768.24 : x
  2. Step 2: Convert to fraction form
    101,328.64/151,995.12 = 34,768.24/x
  3. Step 3: Cross multiply
    101,328.64x = 151,995.12 × 34,768.24
  4. Step 4: Simplify right side
    101,328.64x = 5,284,602,810.99
  5. Step 5: Solve for x
    x = 5,284,602,810.99/101,328.64
  6. Step 6: Final answer
    x = 52,153.10

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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.