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Finding the Fourth Proportional to 191,884.08, 287,886.06 and 65,527.32

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Solution

The fourth proportional to 191,884.08, 287,886.06 and 65,527.32 is: 98,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,884.08 : 287,886.06 = 65,527.32 : x
  2. Step 2: Convert to fraction form
    191,884.08/287,886.06 = 65,527.32/x
  3. Step 3: Cross multiply
    191,884.08x = 287,886.06 × 65,527.32
  4. Step 4: Simplify right side
    191,884.08x = 18,864,401,977.16
  5. Step 5: Solve for x
    x = 18,864,401,977.16/191,884.08
  6. Step 6: Final answer
    x = 98,311.45

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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.