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Finding the Fourth Proportional to 89,174.64, 133,774.92 and 47,598.96

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Solution

The fourth proportional to 89,174.64, 133,774.92 and 47,598.96 is: 71,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,174.64 : 133,774.92 = 47,598.96 : x
  2. Step 2: Convert to fraction form
    89,174.64/133,774.92 = 47,598.96/x
  3. Step 3: Cross multiply
    89,174.64x = 133,774.92 × 47,598.96
  4. Step 4: Simplify right side
    89,174.64x = 6,367,547,066.08
  5. Step 5: Solve for x
    x = 6,367,547,066.08/89,174.64
  6. Step 6: Final answer
    x = 71,405.36

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1.5x scale

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.