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Finding the Fourth Proportional to 101,328.32, 151,955.16 and 34,750.64

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Solution

The fourth proportional to 101,328.32, 151,955.16 and 34,750.64 is: 52,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,328.32 : 151,955.16 = 34,750.64 : x
  2. Step 2: Convert to fraction form
    101,328.32/151,955.16 = 34,750.64/x
  3. Step 3: Cross multiply
    101,328.32x = 151,955.16 × 34,750.64
  4. Step 4: Simplify right side
    101,328.32x = 5,280,539,061.30
  5. Step 5: Solve for x
    x = 5,280,539,061.30/101,328.32
  6. Step 6: Final answer
    x = 52,113.16

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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.