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Finding the Fourth Proportional to 67,547.70, 101,299.59 and 28,094.22

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Solution

The fourth proportional to 67,547.70, 101,299.59 and 28,094.22 is: 42,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,547.70 : 101,299.59 = 28,094.22 : x
  2. Step 2: Convert to fraction form
    67,547.70/101,299.59 = 28,094.22/x
  3. Step 3: Cross multiply
    67,547.70x = 101,299.59 × 28,094.22
  4. Step 4: Simplify right side
    67,547.70x = 2,845,932,967.37
  5. Step 5: Solve for x
    x = 2,845,932,967.37/67,547.70
  6. Step 6: Final answer
    x = 42,132.20

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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.