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Finding the Fourth Proportional to 67,746.28, 101,603.02 and 28,281.96

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Solution

The fourth proportional to 67,746.28, 101,603.02 and 28,281.96 is: 42,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,746.28 : 101,603.02 = 28,281.96 : x
  2. Step 2: Convert to fraction form
    67,746.28/101,603.02 = 28,281.96/x
  3. Step 3: Cross multiply
    67,746.28x = 101,603.02 × 28,281.96
  4. Step 4: Simplify right side
    67,746.28x = 2,873,532,547.52
  5. Step 5: Solve for x
    x = 2,873,532,547.52/67,746.28
  6. Step 6: Final answer
    x = 42,416.09

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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.