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Finding the Fourth Proportional to 100,607.28, 150,925.41 and 30,492.06

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Solution

The fourth proportional to 100,607.28, 150,925.41 and 30,492.06 is: 45,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,607.28 : 150,925.41 = 30,492.06 : x
  2. Step 2: Convert to fraction form
    100,607.28/150,925.41 = 30,492.06/x
  3. Step 3: Cross multiply
    100,607.28x = 150,925.41 × 30,492.06
  4. Step 4: Simplify right side
    100,607.28x = 4,602,026,657.24
  5. Step 5: Solve for x
    x = 4,602,026,657.24/100,607.28
  6. Step 6: Final answer
    x = 45,742.48

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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.