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Finding the Fourth Proportional to 92,352.56, 138,533.02 and 28,306.08

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Solution

The fourth proportional to 92,352.56, 138,533.02 and 28,306.08 is: 42,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,352.56 : 138,533.02 = 28,306.08 : x
  2. Step 2: Convert to fraction form
    92,352.56/138,533.02 = 28,306.08/x
  3. Step 3: Cross multiply
    92,352.56x = 138,533.02 × 28,306.08
  4. Step 4: Simplify right side
    92,352.56x = 3,921,326,746.76
  5. Step 5: Solve for x
    x = 3,921,326,746.76/92,352.56
  6. Step 6: Final answer
    x = 42,460.40

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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.